Home / 15,140.25-22,731.26-10,449.14

Finding the Fourth Proportional to 15,140.25, 22,731.26 and 10,449.14

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Solution

The fourth proportional to 15,140.25, 22,731.26 and 10,449.14 is: 15,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.25 : 22,731.26 = 10,449.14 : x
  2. Step 2: Convert to fraction form
    15,140.25/22,731.26 = 10,449.14/x
  3. Step 3: Cross multiply
    15,140.25x = 22,731.26 × 10,449.14
  4. Step 4: Simplify right side
    15,140.25x = 237,521,952.21
  5. Step 5: Solve for x
    x = 237,521,952.21/15,140.25
  6. Step 6: Final answer
    x = 15,688.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.