Home / 15,491.60-23,231.26-5,625.50

Finding the Fourth Proportional to 15,491.60, 23,231.26 and 5,625.50

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Solution

The fourth proportional to 15,491.60, 23,231.26 and 5,625.50 is: 8,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.60 : 23,231.26 = 5,625.50 : x
  2. Step 2: Convert to fraction form
    15,491.60/23,231.26 = 5,625.50/x
  3. Step 3: Cross multiply
    15,491.60x = 23,231.26 × 5,625.50
  4. Step 4: Simplify right side
    15,491.60x = 130,687,443.04
  5. Step 5: Solve for x
    x = 130,687,443.04/15,491.60
  6. Step 6: Final answer
    x = 8,436.02

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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.