Home / 18,261.16-25,200.39-9,877.66

Finding the Fourth Proportional to 18,261.16, 25,200.39 and 9,877.66

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Solution

The fourth proportional to 18,261.16, 25,200.39 and 9,877.66 is: 13,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.16 : 25,200.39 = 9,877.66 : x
  2. Step 2: Convert to fraction form
    18,261.16/25,200.39 = 9,877.66/x
  3. Step 3: Cross multiply
    18,261.16x = 25,200.39 × 9,877.66
  4. Step 4: Simplify right side
    18,261.16x = 248,920,884.29
  5. Step 5: Solve for x
    x = 248,920,884.29/18,261.16
  6. Step 6: Final answer
    x = 13,631.16

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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.