Home / 18,565.18-27,840.88-7,468.08

Finding the Fourth Proportional to 18,565.18, 27,840.88 and 7,468.08

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Solution

The fourth proportional to 18,565.18, 27,840.88 and 7,468.08 is: 11,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.18 : 27,840.88 = 7,468.08 : x
  2. Step 2: Convert to fraction form
    18,565.18/27,840.88 = 7,468.08/x
  3. Step 3: Cross multiply
    18,565.18x = 27,840.88 × 7,468.08
  4. Step 4: Simplify right side
    18,565.18x = 207,917,919.11
  5. Step 5: Solve for x
    x = 207,917,919.11/18,565.18
  6. Step 6: Final answer
    x = 11,199.35

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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.