Home / 18,261.06-25,200.18-9,877.56

Finding the Fourth Proportional to 18,261.06, 25,200.18 and 9,877.56

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Solution

The fourth proportional to 18,261.06, 25,200.18 and 9,877.56 is: 13,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.06 : 25,200.18 = 9,877.56 : x
  2. Step 2: Convert to fraction form
    18,261.06/25,200.18 = 9,877.56/x
  3. Step 3: Cross multiply
    18,261.06x = 25,200.18 × 9,877.56
  4. Step 4: Simplify right side
    18,261.06x = 248,916,289.96
  5. Step 5: Solve for x
    x = 248,916,289.96/18,261.06
  6. Step 6: Final answer
    x = 13,630.99

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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.