Home / 27,002.98-40,487.13-11,218.91

Finding the Fourth Proportional to 27,002.98, 40,487.13 and 11,218.91

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Solution

The fourth proportional to 27,002.98, 40,487.13 and 11,218.91 is: 16,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,002.98 : 40,487.13 = 11,218.91 : x
  2. Step 2: Convert to fraction form
    27,002.98/40,487.13 = 11,218.91/x
  3. Step 3: Cross multiply
    27,002.98x = 40,487.13 × 11,218.91
  4. Step 4: Simplify right side
    27,002.98x = 454,221,467.63
  5. Step 5: Solve for x
    x = 454,221,467.63/27,002.98
  6. Step 6: Final answer
    x = 16,821.16

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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.