Home / 19,035.12-28,552.68-5,887.20

Finding the Fourth Proportional to 19,035.12, 28,552.68 and 5,887.20

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Solution

The fourth proportional to 19,035.12, 28,552.68 and 5,887.20 is: 8,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.12 : 28,552.68 = 5,887.20 : x
  2. Step 2: Convert to fraction form
    19,035.12/28,552.68 = 5,887.20/x
  3. Step 3: Cross multiply
    19,035.12x = 28,552.68 × 5,887.20
  4. Step 4: Simplify right side
    19,035.12x = 168,095,337.70
  5. Step 5: Solve for x
    x = 168,095,337.70/19,035.12
  6. Step 6: Final answer
    x = 8,830.80

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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.