Home / 25,005.38-34,507.22-13,674.90

Finding the Fourth Proportional to 25,005.38, 34,507.22 and 13,674.90

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Solution

The fourth proportional to 25,005.38, 34,507.22 and 13,674.90 is: 18,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.38 : 34,507.22 = 13,674.90 : x
  2. Step 2: Convert to fraction form
    25,005.38/34,507.22 = 13,674.90/x
  3. Step 3: Cross multiply
    25,005.38x = 34,507.22 × 13,674.90
  4. Step 4: Simplify right side
    25,005.38x = 471,882,746.75
  5. Step 5: Solve for x
    x = 471,882,746.75/25,005.38
  6. Step 6: Final answer
    x = 18,871.25

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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.