Home / 18,575.52-27,876.51-7,485.18

Finding the Fourth Proportional to 18,575.52, 27,876.51 and 7,485.18

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Solution

The fourth proportional to 18,575.52, 27,876.51 and 7,485.18 is: 11,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.52 : 27,876.51 = 7,485.18 : x
  2. Step 2: Convert to fraction form
    18,575.52/27,876.51 = 7,485.18/x
  3. Step 3: Cross multiply
    18,575.52x = 27,876.51 × 7,485.18
  4. Step 4: Simplify right side
    18,575.52x = 208,660,695.12
  5. Step 5: Solve for x
    x = 208,660,695.12/18,575.52
  6. Step 6: Final answer
    x = 11,233.10

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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.