Home / 15,257.16-21,052.04-8,884.49

Finding the Fourth Proportional to 15,257.16, 21,052.04 and 8,884.49

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Solution

The fourth proportional to 15,257.16, 21,052.04 and 8,884.49 is: 12,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.16 : 21,052.04 = 8,884.49 : x
  2. Step 2: Convert to fraction form
    15,257.16/21,052.04 = 8,884.49/x
  3. Step 3: Cross multiply
    15,257.16x = 21,052.04 × 8,884.49
  4. Step 4: Simplify right side
    15,257.16x = 187,036,489.18
  5. Step 5: Solve for x
    x = 187,036,489.18/15,257.16
  6. Step 6: Final answer
    x = 12,258.93

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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.