Home / 15,148.31-22,706.67-8,903.21

Finding the Fourth Proportional to 15,148.31, 22,706.67 and 8,903.21

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Solution

The fourth proportional to 15,148.31, 22,706.67 and 8,903.21 is: 13,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.31 : 22,706.67 = 8,903.21 : x
  2. Step 2: Convert to fraction form
    15,148.31/22,706.67 = 8,903.21/x
  3. Step 3: Cross multiply
    15,148.31x = 22,706.67 × 8,903.21
  4. Step 4: Simplify right side
    15,148.31x = 202,162,251.41
  5. Step 5: Solve for x
    x = 202,162,251.41/15,148.31
  6. Step 6: Final answer
    x = 13,345.53

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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.