Home / 28,593.93-42,903.18-13,813.91

Finding the Fourth Proportional to 28,593.93, 42,903.18 and 13,813.91

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Solution

The fourth proportional to 28,593.93, 42,903.18 and 13,813.91 is: 20,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.93 : 42,903.18 = 13,813.91 : x
  2. Step 2: Convert to fraction form
    28,593.93/42,903.18 = 13,813.91/x
  3. Step 3: Cross multiply
    28,593.93x = 42,903.18 × 13,813.91
  4. Step 4: Simplify right side
    28,593.93x = 592,660,452.72
  5. Step 5: Solve for x
    x = 592,660,452.72/28,593.93
  6. Step 6: Final answer
    x = 20,726.79

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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.