Home / 19,418.12-29,127.50-5,567.12

Finding the Fourth Proportional to 19,418.12, 29,127.50 and 5,567.12

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Solution

The fourth proportional to 19,418.12, 29,127.50 and 5,567.12 is: 8,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.12 : 29,127.50 = 5,567.12 : x
  2. Step 2: Convert to fraction form
    19,418.12/29,127.50 = 5,567.12/x
  3. Step 3: Cross multiply
    19,418.12x = 29,127.50 × 5,567.12
  4. Step 4: Simplify right side
    19,418.12x = 162,156,287.80
  5. Step 5: Solve for x
    x = 162,156,287.80/19,418.12
  6. Step 6: Final answer
    x = 8,350.77

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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.