Home / 22,167.30-30,590.66-13,666.02

Finding the Fourth Proportional to 22,167.30, 30,590.66 and 13,666.02

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Solution

The fourth proportional to 22,167.30, 30,590.66 and 13,666.02 is: 18,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.30 : 30,590.66 = 13,666.02 : x
  2. Step 2: Convert to fraction form
    22,167.30/30,590.66 = 13,666.02/x
  3. Step 3: Cross multiply
    22,167.30x = 30,590.66 × 13,666.02
  4. Step 4: Simplify right side
    22,167.30x = 418,052,490.82
  5. Step 5: Solve for x
    x = 418,052,490.82/22,167.30
  6. Step 6: Final answer
    x = 18,858.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.