Home / 15,432.66-21,286.23-9,467.22

Finding the Fourth Proportional to 15,432.66, 21,286.23 and 9,467.22

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Solution

The fourth proportional to 15,432.66, 21,286.23 and 9,467.22 is: 13,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.66 : 21,286.23 = 9,467.22 : x
  2. Step 2: Convert to fraction form
    15,432.66/21,286.23 = 9,467.22/x
  3. Step 3: Cross multiply
    15,432.66x = 21,286.23 × 9,467.22
  4. Step 4: Simplify right side
    15,432.66x = 201,521,422.38
  5. Step 5: Solve for x
    x = 201,521,422.38/15,432.66
  6. Step 6: Final answer
    x = 13,058.11

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1.5x scale

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.