Home / 19,134.30-28,561-17,725.26

Finding the Fourth Proportional to 19,134.30, 28,561 and 17,725.26

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Solution

The fourth proportional to 19,134.30, 28,561 and 17,725.26 is: 26,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.30 : 28,561 = 17,725.26 : x
  2. Step 2: Convert to fraction form
    19,134.30/28,561 = 17,725.26/x
  3. Step 3: Cross multiply
    19,134.30x = 28,561 × 17,725.26
  4. Step 4: Simplify right side
    19,134.30x = 506,251,150.86
  5. Step 5: Solve for x
    x = 506,251,150.86/19,134.30
  6. Step 6: Final answer
    x = 26,457.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.