Home / 23,730.90-32,732.82-18,686.76

Finding the Fourth Proportional to 23,730.90, 32,732.82 and 18,686.76

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Solution

The fourth proportional to 23,730.90, 32,732.82 and 18,686.76 is: 25,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.90 : 32,732.82 = 18,686.76 : x
  2. Step 2: Convert to fraction form
    23,730.90/32,732.82 = 18,686.76/x
  3. Step 3: Cross multiply
    23,730.90x = 32,732.82 × 18,686.76
  4. Step 4: Simplify right side
    23,730.90x = 611,670,351.46
  5. Step 5: Solve for x
    x = 611,670,351.46/23,730.90
  6. Step 6: Final answer
    x = 25,775.27

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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.