Home / 32,176.90-48,265.35-9,990.10

Finding the Fourth Proportional to 32,176.90, 48,265.35 and 9,990.10

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Solution

The fourth proportional to 32,176.90, 48,265.35 and 9,990.10 is: 14,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,176.90 : 48,265.35 = 9,990.10 : x
  2. Step 2: Convert to fraction form
    32,176.90/48,265.35 = 9,990.10/x
  3. Step 3: Cross multiply
    32,176.90x = 48,265.35 × 9,990.10
  4. Step 4: Simplify right side
    32,176.90x = 482,175,673.04
  5. Step 5: Solve for x
    x = 482,175,673.04/32,176.90
  6. Step 6: Final answer
    x = 14,985.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.