Home / 18,565.04-27,811.66-11,547.86

Finding the Fourth Proportional to 18,565.04, 27,811.66 and 11,547.86

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Solution

The fourth proportional to 18,565.04, 27,811.66 and 11,547.86 is: 17,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.04 : 27,811.66 = 11,547.86 : x
  2. Step 2: Convert to fraction form
    18,565.04/27,811.66 = 11,547.86/x
  3. Step 3: Cross multiply
    18,565.04x = 27,811.66 × 11,547.86
  4. Step 4: Simplify right side
    18,565.04x = 321,165,156.05
  5. Step 5: Solve for x
    x = 321,165,156.05/18,565.04
  6. Step 6: Final answer
    x = 17,299.46

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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.