Home / 17,666.12-26,502.38-7,272.20

Finding the Fourth Proportional to 17,666.12, 26,502.38 and 7,272.20

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Solution

The fourth proportional to 17,666.12, 26,502.38 and 7,272.20 is: 10,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.12 : 26,502.38 = 7,272.20 : x
  2. Step 2: Convert to fraction form
    17,666.12/26,502.38 = 7,272.20/x
  3. Step 3: Cross multiply
    17,666.12x = 26,502.38 × 7,272.20
  4. Step 4: Simplify right side
    17,666.12x = 192,730,607.84
  5. Step 5: Solve for x
    x = 192,730,607.84/17,666.12
  6. Step 6: Final answer
    x = 10,909.62

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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.