Home / 15,248.56-21,047.16-8,962.96

Finding the Fourth Proportional to 15,248.56, 21,047.16 and 8,962.96

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Solution

The fourth proportional to 15,248.56, 21,047.16 and 8,962.96 is: 12,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.56 : 21,047.16 = 8,962.96 : x
  2. Step 2: Convert to fraction form
    15,248.56/21,047.16 = 8,962.96/x
  3. Step 3: Cross multiply
    15,248.56x = 21,047.16 × 8,962.96
  4. Step 4: Simplify right side
    15,248.56x = 188,644,853.19
  5. Step 5: Solve for x
    x = 188,644,853.19/15,248.56
  6. Step 6: Final answer
    x = 12,371.32

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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.