Home / 25,565.31-35,278.16-14,953.95

Finding the Fourth Proportional to 25,565.31, 35,278.16 and 14,953.95

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Solution

The fourth proportional to 25,565.31, 35,278.16 and 14,953.95 is: 20,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.31 : 35,278.16 = 14,953.95 : x
  2. Step 2: Convert to fraction form
    25,565.31/35,278.16 = 14,953.95/x
  3. Step 3: Cross multiply
    25,565.31x = 35,278.16 × 14,953.95
  4. Step 4: Simplify right side
    25,565.31x = 527,547,765.96
  5. Step 5: Solve for x
    x = 527,547,765.96/25,565.31
  6. Step 6: Final answer
    x = 20,635.30

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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.