Home / 22,352.11-30,834.34-15,182.40

Finding the Fourth Proportional to 22,352.11, 30,834.34 and 15,182.40

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Solution

The fourth proportional to 22,352.11, 30,834.34 and 15,182.40 is: 20,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.11 : 30,834.34 = 15,182.40 : x
  2. Step 2: Convert to fraction form
    22,352.11/30,834.34 = 15,182.40/x
  3. Step 3: Cross multiply
    22,352.11x = 30,834.34 × 15,182.40
  4. Step 4: Simplify right side
    22,352.11x = 468,139,283.62
  5. Step 5: Solve for x
    x = 468,139,283.62/22,352.11
  6. Step 6: Final answer
    x = 20,943.85

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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.