Home / 17,660.05-24,370.88-9,702.79

Finding the Fourth Proportional to 17,660.05, 24,370.88 and 9,702.79

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Solution

The fourth proportional to 17,660.05, 24,370.88 and 9,702.79 is: 13,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.05 : 24,370.88 = 9,702.79 : x
  2. Step 2: Convert to fraction form
    17,660.05/24,370.88 = 9,702.79/x
  3. Step 3: Cross multiply
    17,660.05x = 24,370.88 × 9,702.79
  4. Step 4: Simplify right side
    17,660.05x = 236,465,530.76
  5. Step 5: Solve for x
    x = 236,465,530.76/17,660.05
  6. Step 6: Final answer
    x = 13,389.86

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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.