Home / 15,213.74-22,807.29-7,312.31

Finding the Fourth Proportional to 15,213.74, 22,807.29 and 7,312.31

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Solution

The fourth proportional to 15,213.74, 22,807.29 and 7,312.31 is: 10,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.74 : 22,807.29 = 7,312.31 : x
  2. Step 2: Convert to fraction form
    15,213.74/22,807.29 = 7,312.31/x
  3. Step 3: Cross multiply
    15,213.74x = 22,807.29 × 7,312.31
  4. Step 4: Simplify right side
    15,213.74x = 166,773,974.74
  5. Step 5: Solve for x
    x = 166,773,974.74/15,213.74
  6. Step 6: Final answer
    x = 10,962.06

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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.