Home / 25,552.92-38,326.14-18,988.68

Finding the Fourth Proportional to 25,552.92, 38,326.14 and 18,988.68

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Solution

The fourth proportional to 25,552.92, 38,326.14 and 18,988.68 is: 28,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552.92 : 38,326.14 = 18,988.68 : x
  2. Step 2: Convert to fraction form
    25,552.92/38,326.14 = 18,988.68/x
  3. Step 3: Cross multiply
    25,552.92x = 38,326.14 × 18,988.68
  4. Step 4: Simplify right side
    25,552.92x = 727,762,808.10
  5. Step 5: Solve for x
    x = 727,762,808.10/25,552.92
  6. Step 6: Final answer
    x = 28,480.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.