Home / 15,788.60-23,682.90-9,951.80

Finding the Fourth Proportional to 15,788.60, 23,682.90 and 9,951.80

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Solution

The fourth proportional to 15,788.60, 23,682.90 and 9,951.80 is: 14,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.60 : 23,682.90 = 9,951.80 : x
  2. Step 2: Convert to fraction form
    15,788.60/23,682.90 = 9,951.80/x
  3. Step 3: Cross multiply
    15,788.60x = 23,682.90 × 9,951.80
  4. Step 4: Simplify right side
    15,788.60x = 235,687,484.22
  5. Step 5: Solve for x
    x = 235,687,484.22/15,788.60
  6. Step 6: Final answer
    x = 14,927.70

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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.