Home / 27,218.03-40,833.99-13,184.78

Finding the Fourth Proportional to 27,218.03, 40,833.99 and 13,184.78

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Solution

The fourth proportional to 27,218.03, 40,833.99 and 13,184.78 is: 19,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.03 : 40,833.99 = 13,184.78 : x
  2. Step 2: Convert to fraction form
    27,218.03/40,833.99 = 13,184.78/x
  3. Step 3: Cross multiply
    27,218.03x = 40,833.99 × 13,184.78
  4. Step 4: Simplify right side
    27,218.03x = 538,386,970.50
  5. Step 5: Solve for x
    x = 538,386,970.50/27,218.03
  6. Step 6: Final answer
    x = 19,780.53

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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.