Home / 27,605.68-38,086.13-18,051.16

Finding the Fourth Proportional to 27,605.68, 38,086.13 and 18,051.16

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Solution

The fourth proportional to 27,605.68, 38,086.13 and 18,051.16 is: 24,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605.68 : 38,086.13 = 18,051.16 : x
  2. Step 2: Convert to fraction form
    27,605.68/38,086.13 = 18,051.16/x
  3. Step 3: Cross multiply
    27,605.68x = 38,086.13 × 18,051.16
  4. Step 4: Simplify right side
    27,605.68x = 687,498,636.29
  5. Step 5: Solve for x
    x = 687,498,636.29/27,605.68
  6. Step 6: Final answer
    x = 24,904.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.