Home / 18,398.18-27,601.93-5,250.60

Finding the Fourth Proportional to 18,398.18, 27,601.93 and 5,250.60

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Solution

The fourth proportional to 18,398.18, 27,601.93 and 5,250.60 is: 7,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.18 : 27,601.93 = 5,250.60 : x
  2. Step 2: Convert to fraction form
    18,398.18/27,601.93 = 5,250.60/x
  3. Step 3: Cross multiply
    18,398.18x = 27,601.93 × 5,250.60
  4. Step 4: Simplify right side
    18,398.18x = 144,926,693.66
  5. Step 5: Solve for x
    x = 144,926,693.66/18,398.18
  6. Step 6: Final answer
    x = 7,877.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.