Home / 14,765.60-22,148.40-7,392.80

Finding the Fourth Proportional to 14,765.60, 22,148.40 and 7,392.80

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Solution

The fourth proportional to 14,765.60, 22,148.40 and 7,392.80 is: 11,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.60 : 22,148.40 = 7,392.80 : x
  2. Step 2: Convert to fraction form
    14,765.60/22,148.40 = 7,392.80/x
  3. Step 3: Cross multiply
    14,765.60x = 22,148.40 × 7,392.80
  4. Step 4: Simplify right side
    14,765.60x = 163,738,691.52
  5. Step 5: Solve for x
    x = 163,738,691.52/14,765.60
  6. Step 6: Final answer
    x = 11,089.20

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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.