Home / 22,165.15-33,247.40-10,312.29

Finding the Fourth Proportional to 22,165.15, 33,247.40 and 10,312.29

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Solution

The fourth proportional to 22,165.15, 33,247.40 and 10,312.29 is: 15,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.15 : 33,247.40 = 10,312.29 : x
  2. Step 2: Convert to fraction form
    22,165.15/33,247.40 = 10,312.29/x
  3. Step 3: Cross multiply
    22,165.15x = 33,247.40 × 10,312.29
  4. Step 4: Simplify right side
    22,165.15x = 342,856,817.86
  5. Step 5: Solve for x
    x = 342,856,817.86/22,165.15
  6. Step 6: Final answer
    x = 15,468.29

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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.