Home / 25,685.92-35,446.40-14,507.84

Finding the Fourth Proportional to 25,685.92, 35,446.40 and 14,507.84

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Solution

The fourth proportional to 25,685.92, 35,446.40 and 14,507.84 is: 20,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.92 : 35,446.40 = 14,507.84 : x
  2. Step 2: Convert to fraction form
    25,685.92/35,446.40 = 14,507.84/x
  3. Step 3: Cross multiply
    25,685.92x = 35,446.40 × 14,507.84
  4. Step 4: Simplify right side
    25,685.92x = 514,250,699.78
  5. Step 5: Solve for x
    x = 514,250,699.78/25,685.92
  6. Step 6: Final answer
    x = 20,020.72

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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.