Home / 19,387.08-29,000.16-18,206.10

Finding the Fourth Proportional to 19,387.08, 29,000.16 and 18,206.10

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Solution

The fourth proportional to 19,387.08, 29,000.16 and 18,206.10 is: 27,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.08 : 29,000.16 = 18,206.10 : x
  2. Step 2: Convert to fraction form
    19,387.08/29,000.16 = 18,206.10/x
  3. Step 3: Cross multiply
    19,387.08x = 29,000.16 × 18,206.10
  4. Step 4: Simplify right side
    19,387.08x = 527,979,812.98
  5. Step 5: Solve for x
    x = 527,979,812.98/19,387.08
  6. Step 6: Final answer
    x = 27,233.59

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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.