Home / 25,318.32-34,924.68-15,239.76

Finding the Fourth Proportional to 25,318.32, 34,924.68 and 15,239.76

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Solution

The fourth proportional to 25,318.32, 34,924.68 and 15,239.76 is: 21,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.32 : 34,924.68 = 15,239.76 : x
  2. Step 2: Convert to fraction form
    25,318.32/34,924.68 = 15,239.76/x
  3. Step 3: Cross multiply
    25,318.32x = 34,924.68 × 15,239.76
  4. Step 4: Simplify right side
    25,318.32x = 532,243,741.28
  5. Step 5: Solve for x
    x = 532,243,741.28/25,318.32
  6. Step 6: Final answer
    x = 21,022.08

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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.