Home / 28,337.22-42,468.84-11,678.22

Finding the Fourth Proportional to 28,337.22, 42,468.84 and 11,678.22

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Solution

The fourth proportional to 28,337.22, 42,468.84 and 11,678.22 is: 17,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.22 : 42,468.84 = 11,678.22 : x
  2. Step 2: Convert to fraction form
    28,337.22/42,468.84 = 11,678.22/x
  3. Step 3: Cross multiply
    28,337.22x = 42,468.84 × 11,678.22
  4. Step 4: Simplify right side
    28,337.22x = 495,960,456.66
  5. Step 5: Solve for x
    x = 495,960,456.66/28,337.22
  6. Step 6: Final answer
    x = 17,502.09

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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.