Home / 16,268.40-22,447.08-9,555.12

Finding the Fourth Proportional to 16,268.40, 22,447.08 and 9,555.12

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Solution

The fourth proportional to 16,268.40, 22,447.08 and 9,555.12 is: 13,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.40 : 22,447.08 = 9,555.12 : x
  2. Step 2: Convert to fraction form
    16,268.40/22,447.08 = 9,555.12/x
  3. Step 3: Cross multiply
    16,268.40x = 22,447.08 × 9,555.12
  4. Step 4: Simplify right side
    16,268.40x = 214,484,543.05
  5. Step 5: Solve for x
    x = 214,484,543.05/16,268.40
  6. Step 6: Final answer
    x = 13,184.12

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Double scale
Find fourth proportional to 16,269.40, 22,448.46 and 9,556.12
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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.