Home / 18,599.27-25,660.55-11,888.82

Finding the Fourth Proportional to 18,599.27, 25,660.55 and 11,888.82

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Solution

The fourth proportional to 18,599.27, 25,660.55 and 11,888.82 is: 16,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.27 : 25,660.55 = 11,888.82 : x
  2. Step 2: Convert to fraction form
    18,599.27/25,660.55 = 11,888.82/x
  3. Step 3: Cross multiply
    18,599.27x = 25,660.55 × 11,888.82
  4. Step 4: Simplify right side
    18,599.27x = 305,073,689.77
  5. Step 5: Solve for x
    x = 305,073,689.77/18,599.27
  6. Step 6: Final answer
    x = 16,402.46

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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.