Home / 14,014.24-19,340.16-7,727.20

Finding the Fourth Proportional to 14,014.24, 19,340.16 and 7,727.20

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Solution

The fourth proportional to 14,014.24, 19,340.16 and 7,727.20 is: 10,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.24 : 19,340.16 = 7,727.20 : x
  2. Step 2: Convert to fraction form
    14,014.24/19,340.16 = 7,727.20/x
  3. Step 3: Cross multiply
    14,014.24x = 19,340.16 × 7,727.20
  4. Step 4: Simplify right side
    14,014.24x = 149,445,284.35
  5. Step 5: Solve for x
    x = 149,445,284.35/14,014.24
  6. Step 6: Final answer
    x = 10,663.82

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Half scale
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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.