Home / 22,158.20-33,246.90-10,465.40

Finding the Fourth Proportional to 22,158.20, 33,246.90 and 10,465.40

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Solution

The fourth proportional to 22,158.20, 33,246.90 and 10,465.40 is: 15,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.20 : 33,246.90 = 10,465.40 : x
  2. Step 2: Convert to fraction form
    22,158.20/33,246.90 = 10,465.40/x
  3. Step 3: Cross multiply
    22,158.20x = 33,246.90 × 10,465.40
  4. Step 4: Simplify right side
    22,158.20x = 347,942,107.26
  5. Step 5: Solve for x
    x = 347,942,107.26/22,158.20
  6. Step 6: Final answer
    x = 15,702.63

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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.