Home / 15,450.45-23,175.67-5,587.42

Finding the Fourth Proportional to 15,450.45, 23,175.67 and 5,587.42

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Solution

The fourth proportional to 15,450.45, 23,175.67 and 5,587.42 is: 8,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.45 : 23,175.67 = 5,587.42 : x
  2. Step 2: Convert to fraction form
    15,450.45/23,175.67 = 5,587.42/x
  3. Step 3: Cross multiply
    15,450.45x = 23,175.67 × 5,587.42
  4. Step 4: Simplify right side
    15,450.45x = 129,492,151.50
  5. Step 5: Solve for x
    x = 129,492,151.50/15,450.45
  6. Step 6: Final answer
    x = 8,381.13

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Half scale
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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.