Home / 15,750.40-23,593.20-7,963.60

Finding the Fourth Proportional to 15,750.40, 23,593.20 and 7,963.60

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Solution

The fourth proportional to 15,750.40, 23,593.20 and 7,963.60 is: 11,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.40 : 23,593.20 = 7,963.60 : x
  2. Step 2: Convert to fraction form
    15,750.40/23,593.20 = 7,963.60/x
  3. Step 3: Cross multiply
    15,750.40x = 23,593.20 × 7,963.60
  4. Step 4: Simplify right side
    15,750.40x = 187,886,807.52
  5. Step 5: Solve for x
    x = 187,886,807.52/15,750.40
  6. Step 6: Final answer
    x = 11,929.02

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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.