Home / 22,938.12-34,334.28-12,393.14

Finding the Fourth Proportional to 22,938.12, 34,334.28 and 12,393.14

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Solution

The fourth proportional to 22,938.12, 34,334.28 and 12,393.14 is: 18,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.12 : 34,334.28 = 12,393.14 : x
  2. Step 2: Convert to fraction form
    22,938.12/34,334.28 = 12,393.14/x
  3. Step 3: Cross multiply
    22,938.12x = 34,334.28 × 12,393.14
  4. Step 4: Simplify right side
    22,938.12x = 425,509,367.17
  5. Step 5: Solve for x
    x = 425,509,367.17/22,938.12
  6. Step 6: Final answer
    x = 18,550.32

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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.