Home / 25,685.46-35,445.82-14,354.95

Finding the Fourth Proportional to 25,685.46, 35,445.82 and 14,354.95

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Solution

The fourth proportional to 25,685.46, 35,445.82 and 14,354.95 is: 19,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.46 : 35,445.82 = 14,354.95 : x
  2. Step 2: Convert to fraction form
    25,685.46/35,445.82 = 14,354.95/x
  3. Step 3: Cross multiply
    25,685.46x = 35,445.82 × 14,354.95
  4. Step 4: Simplify right side
    25,685.46x = 508,822,849.31
  5. Step 5: Solve for x
    x = 508,822,849.31/25,685.46
  6. Step 6: Final answer
    x = 19,809.76

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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.