Home / 14,687.60-22,031.40-9,741.20

Finding the Fourth Proportional to 14,687.60, 22,031.40 and 9,741.20

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Solution

The fourth proportional to 14,687.60, 22,031.40 and 9,741.20 is: 14,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.60 : 22,031.40 = 9,741.20 : x
  2. Step 2: Convert to fraction form
    14,687.60/22,031.40 = 9,741.20/x
  3. Step 3: Cross multiply
    14,687.60x = 22,031.40 × 9,741.20
  4. Step 4: Simplify right side
    14,687.60x = 214,612,273.68
  5. Step 5: Solve for x
    x = 214,612,273.68/14,687.60
  6. Step 6: Final answer
    x = 14,611.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.