Home / 23,098.88-34,695.20-20,386.88

Finding the Fourth Proportional to 23,098.88, 34,695.20 and 20,386.88

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Solution

The fourth proportional to 23,098.88, 34,695.20 and 20,386.88 is: 30,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,098.88 : 34,695.20 = 20,386.88 : x
  2. Step 2: Convert to fraction form
    23,098.88/34,695.20 = 20,386.88/x
  3. Step 3: Cross multiply
    23,098.88x = 34,695.20 × 20,386.88
  4. Step 4: Simplify right side
    23,098.88x = 707,326,878.98
  5. Step 5: Solve for x
    x = 707,326,878.98/23,098.88
  6. Step 6: Final answer
    x = 30,621.70

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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.