Home / 14,937.52-20,609.76-9,630.40

Finding the Fourth Proportional to 14,937.52, 20,609.76 and 9,630.40

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Solution

The fourth proportional to 14,937.52, 20,609.76 and 9,630.40 is: 13,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.52 : 20,609.76 = 9,630.40 : x
  2. Step 2: Convert to fraction form
    14,937.52/20,609.76 = 9,630.40/x
  3. Step 3: Cross multiply
    14,937.52x = 20,609.76 × 9,630.40
  4. Step 4: Simplify right side
    14,937.52x = 198,480,232.70
  5. Step 5: Solve for x
    x = 198,480,232.70/14,937.52
  6. Step 6: Final answer
    x = 13,287.36

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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.