Home / 66,340.71-99,524.19-18,956.23

Finding the Fourth Proportional to 66,340.71, 99,524.19 and 18,956.23

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Solution

The fourth proportional to 66,340.71, 99,524.19 and 18,956.23 is: 28,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.71 : 99,524.19 = 18,956.23 : x
  2. Step 2: Convert to fraction form
    66,340.71/99,524.19 = 18,956.23/x
  3. Step 3: Cross multiply
    66,340.71x = 99,524.19 × 18,956.23
  4. Step 4: Simplify right side
    66,340.71x = 1,886,603,436.20
  5. Step 5: Solve for x
    x = 1,886,603,436.20/66,340.71
  6. Step 6: Final answer
    x = 28,438.10

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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.