Home / 16,117.60-24,176.40-4,430.80

Finding the Fourth Proportional to 16,117.60, 24,176.40 and 4,430.80

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Solution

The fourth proportional to 16,117.60, 24,176.40 and 4,430.80 is: 6,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,117.60 : 24,176.40 = 4,430.80 : x
  2. Step 2: Convert to fraction form
    16,117.60/24,176.40 = 4,430.80/x
  3. Step 3: Cross multiply
    16,117.60x = 24,176.40 × 4,430.80
  4. Step 4: Simplify right side
    16,117.60x = 107,120,793.12
  5. Step 5: Solve for x
    x = 107,120,793.12/16,117.60
  6. Step 6: Final answer
    x = 6,646.20

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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.