Home / 18,394.75-27,587.56-5,247.23

Finding the Fourth Proportional to 18,394.75, 27,587.56 and 5,247.23

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Solution

The fourth proportional to 18,394.75, 27,587.56 and 5,247.23 is: 7,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.75 : 27,587.56 = 5,247.23 : x
  2. Step 2: Convert to fraction form
    18,394.75/27,587.56 = 5,247.23/x
  3. Step 3: Cross multiply
    18,394.75x = 27,587.56 × 5,247.23
  4. Step 4: Simplify right side
    18,394.75x = 144,758,272.46
  5. Step 5: Solve for x
    x = 144,758,272.46/18,394.75
  6. Step 6: Final answer
    x = 7,869.54

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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.