Home / 19,572.87-29,353.15-6,422.16

Finding the Fourth Proportional to 19,572.87, 29,353.15 and 6,422.16

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Solution

The fourth proportional to 19,572.87, 29,353.15 and 6,422.16 is: 9,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.87 : 29,353.15 = 6,422.16 : x
  2. Step 2: Convert to fraction form
    19,572.87/29,353.15 = 6,422.16/x
  3. Step 3: Cross multiply
    19,572.87x = 29,353.15 × 6,422.16
  4. Step 4: Simplify right side
    19,572.87x = 188,510,625.80
  5. Step 5: Solve for x
    x = 188,510,625.80/19,572.87
  6. Step 6: Final answer
    x = 9,631.22

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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.