Home / 22,847.40-31,519.26-14,887.80

Finding the Fourth Proportional to 22,847.40, 31,519.26 and 14,887.80

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Solution

The fourth proportional to 22,847.40, 31,519.26 and 14,887.80 is: 20,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,847.40 : 31,519.26 = 14,887.80 : x
  2. Step 2: Convert to fraction form
    22,847.40/31,519.26 = 14,887.80/x
  3. Step 3: Cross multiply
    22,847.40x = 31,519.26 × 14,887.80
  4. Step 4: Simplify right side
    22,847.40x = 469,252,439.03
  5. Step 5: Solve for x
    x = 469,252,439.03/22,847.40
  6. Step 6: Final answer
    x = 20,538.55

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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.