Home / 14,937.76-20,615.88-8,650.36

Finding the Fourth Proportional to 14,937.76, 20,615.88 and 8,650.36

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Solution

The fourth proportional to 14,937.76, 20,615.88 and 8,650.36 is: 11,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.76 : 20,615.88 = 8,650.36 : x
  2. Step 2: Convert to fraction form
    14,937.76/20,615.88 = 8,650.36/x
  3. Step 3: Cross multiply
    14,937.76x = 20,615.88 × 8,650.36
  4. Step 4: Simplify right side
    14,937.76x = 178,334,783.72
  5. Step 5: Solve for x
    x = 178,334,783.72/14,937.76
  6. Step 6: Final answer
    x = 11,938.52

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Double scale
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Similar ratio
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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.