Home / 17,666.79-24,379.89-9,708.84

Finding the Fourth Proportional to 17,666.79, 24,379.89 and 9,708.84

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Solution

The fourth proportional to 17,666.79, 24,379.89 and 9,708.84 is: 13,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.79 : 24,379.89 = 9,708.84 : x
  2. Step 2: Convert to fraction form
    17,666.79/24,379.89 = 9,708.84/x
  3. Step 3: Cross multiply
    17,666.79x = 24,379.89 × 9,708.84
  4. Step 4: Simplify right side
    17,666.79x = 236,700,542.65
  5. Step 5: Solve for x
    x = 236,700,542.65/17,666.79
  6. Step 6: Final answer
    x = 13,398.05

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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.