Home / 22,931.10-34,390.80-7,133.04

Finding the Fourth Proportional to 22,931.10, 34,390.80 and 7,133.04

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Solution

The fourth proportional to 22,931.10, 34,390.80 and 7,133.04 is: 10,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.10 : 34,390.80 = 7,133.04 : x
  2. Step 2: Convert to fraction form
    22,931.10/34,390.80 = 7,133.04/x
  3. Step 3: Cross multiply
    22,931.10x = 34,390.80 × 7,133.04
  4. Step 4: Simplify right side
    22,931.10x = 245,310,952.03
  5. Step 5: Solve for x
    x = 245,310,952.03/22,931.10
  6. Step 6: Final answer
    x = 10,697.74

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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.