Home / 23,132.40-31,914.16-15,179.04

Finding the Fourth Proportional to 23,132.40, 31,914.16 and 15,179.04

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Solution

The fourth proportional to 23,132.40, 31,914.16 and 15,179.04 is: 20,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.40 : 31,914.16 = 15,179.04 : x
  2. Step 2: Convert to fraction form
    23,132.40/31,914.16 = 15,179.04/x
  3. Step 3: Cross multiply
    23,132.40x = 31,914.16 × 15,179.04
  4. Step 4: Simplify right side
    23,132.40x = 484,426,311.21
  5. Step 5: Solve for x
    x = 484,426,311.21/23,132.40
  6. Step 6: Final answer
    x = 20,941.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.