Home / 17,660.86-24,371.88-9,702.90

Finding the Fourth Proportional to 17,660.86, 24,371.88 and 9,702.90

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Solution

The fourth proportional to 17,660.86, 24,371.88 and 9,702.90 is: 13,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.86 : 24,371.88 = 9,702.90 : x
  2. Step 2: Convert to fraction form
    17,660.86/24,371.88 = 9,702.90/x
  3. Step 3: Cross multiply
    17,660.86x = 24,371.88 × 9,702.90
  4. Step 4: Simplify right side
    17,660.86x = 236,477,914.45
  5. Step 5: Solve for x
    x = 236,477,914.45/17,660.86
  6. Step 6: Final answer
    x = 13,389.94

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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.