Home / 25,687.16-35,448.29-14,357.12

Finding the Fourth Proportional to 25,687.16, 35,448.29 and 14,357.12

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Solution

The fourth proportional to 25,687.16, 35,448.29 and 14,357.12 is: 19,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.16 : 35,448.29 = 14,357.12 : x
  2. Step 2: Convert to fraction form
    25,687.16/35,448.29 = 14,357.12/x
  3. Step 3: Cross multiply
    25,687.16x = 35,448.29 × 14,357.12
  4. Step 4: Simplify right side
    25,687.16x = 508,935,353.32
  5. Step 5: Solve for x
    x = 508,935,353.32/25,687.16
  6. Step 6: Final answer
    x = 19,812.83

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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.