Home / 15,437.20-23,155.60-3,750.39

Finding the Fourth Proportional to 15,437.20, 23,155.60 and 3,750.39

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Solution

The fourth proportional to 15,437.20, 23,155.60 and 3,750.39 is: 5,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.20 : 23,155.60 = 3,750.39 : x
  2. Step 2: Convert to fraction form
    15,437.20/23,155.60 = 3,750.39/x
  3. Step 3: Cross multiply
    15,437.20x = 23,155.60 × 3,750.39
  4. Step 4: Simplify right side
    15,437.20x = 86,842,405.53
  5. Step 5: Solve for x
    x = 86,842,405.53/15,437.20
  6. Step 6: Final answer
    x = 5,625.53

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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.