Home / 19,338.02-26,688.19-11,271.23

Finding the Fourth Proportional to 19,338.02, 26,688.19 and 11,271.23

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Solution

The fourth proportional to 19,338.02, 26,688.19 and 11,271.23 is: 15,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.02 : 26,688.19 = 11,271.23 : x
  2. Step 2: Convert to fraction form
    19,338.02/26,688.19 = 11,271.23/x
  3. Step 3: Cross multiply
    19,338.02x = 26,688.19 × 11,271.23
  4. Step 4: Simplify right side
    19,338.02x = 300,808,727.77
  5. Step 5: Solve for x
    x = 300,808,727.77/19,338.02
  6. Step 6: Final answer
    x = 15,555.30

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Half scale
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Double scale
Find fourth proportional to 19,339.02, 26,689.57 and 11,272.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.