Home / 23,200.80-34,631.40-19,934.88

Finding the Fourth Proportional to 23,200.80, 34,631.40 and 19,934.88

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Solution

The fourth proportional to 23,200.80, 34,631.40 and 19,934.88 is: 29,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,200.80 : 34,631.40 = 19,934.88 : x
  2. Step 2: Convert to fraction form
    23,200.80/34,631.40 = 19,934.88/x
  3. Step 3: Cross multiply
    23,200.80x = 34,631.40 × 19,934.88
  4. Step 4: Simplify right side
    23,200.80x = 690,372,803.23
  5. Step 5: Solve for x
    x = 690,372,803.23/23,200.80
  6. Step 6: Final answer
    x = 29,756.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.