Home / 17,310.81-23,875.31-12,531.45

Finding the Fourth Proportional to 17,310.81, 23,875.31 and 12,531.45

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Solution

The fourth proportional to 17,310.81, 23,875.31 and 12,531.45 is: 17,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.81 : 23,875.31 = 12,531.45 : x
  2. Step 2: Convert to fraction form
    17,310.81/23,875.31 = 12,531.45/x
  3. Step 3: Cross multiply
    17,310.81x = 23,875.31 × 12,531.45
  4. Step 4: Simplify right side
    17,310.81x = 299,192,253.50
  5. Step 5: Solve for x
    x = 299,192,253.50/17,310.81
  6. Step 6: Final answer
    x = 17,283.55

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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.