Home / 22,520.45-31,079.21-14,027.60

Finding the Fourth Proportional to 22,520.45, 31,079.21 and 14,027.60

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Solution

The fourth proportional to 22,520.45, 31,079.21 and 14,027.60 is: 19,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.45 : 31,079.21 = 14,027.60 : x
  2. Step 2: Convert to fraction form
    22,520.45/31,079.21 = 14,027.60/x
  3. Step 3: Cross multiply
    22,520.45x = 31,079.21 × 14,027.60
  4. Step 4: Simplify right side
    22,520.45x = 435,966,500.66
  5. Step 5: Solve for x
    x = 435,966,500.66/22,520.45
  6. Step 6: Final answer
    x = 19,358.70

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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.