Home / 15,470.73-21,366.99-10,426.14

Finding the Fourth Proportional to 15,470.73, 21,366.99 and 10,426.14

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Solution

The fourth proportional to 15,470.73, 21,366.99 and 10,426.14 is: 14,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.73 : 21,366.99 = 10,426.14 : x
  2. Step 2: Convert to fraction form
    15,470.73/21,366.99 = 10,426.14/x
  3. Step 3: Cross multiply
    15,470.73x = 21,366.99 × 10,426.14
  4. Step 4: Simplify right side
    15,470.73x = 222,775,229.12
  5. Step 5: Solve for x
    x = 222,775,229.12/15,470.73
  6. Step 6: Final answer
    x = 14,399.79

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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.