Home / 15,437.20-23,155.79-3,750.34

Finding the Fourth Proportional to 15,437.20, 23,155.79 and 3,750.34

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Solution

The fourth proportional to 15,437.20, 23,155.79 and 3,750.34 is: 5,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.20 : 23,155.79 = 3,750.34 : x
  2. Step 2: Convert to fraction form
    15,437.20/23,155.79 = 3,750.34/x
  3. Step 3: Cross multiply
    15,437.20x = 23,155.79 × 3,750.34
  4. Step 4: Simplify right side
    15,437.20x = 86,842,085.47
  5. Step 5: Solve for x
    x = 86,842,085.47/15,437.20
  6. Step 6: Final answer
    x = 5,625.51

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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.