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Finding the Fourth Proportional to 18,061.58, 24,925.34 and 10,891.46

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Solution

The fourth proportional to 18,061.58, 24,925.34 and 10,891.46 is: 15,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.58 : 24,925.34 = 10,891.46 : x
  2. Step 2: Convert to fraction form
    18,061.58/24,925.34 = 10,891.46/x
  3. Step 3: Cross multiply
    18,061.58x = 24,925.34 × 10,891.46
  4. Step 4: Simplify right side
    18,061.58x = 271,473,433.14
  5. Step 5: Solve for x
    x = 271,473,433.14/18,061.58
  6. Step 6: Final answer
    x = 15,030.43

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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.