Home / 27,776.13-38,291.18-19,804.52

Finding the Fourth Proportional to 27,776.13, 38,291.18 and 19,804.52

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Solution

The fourth proportional to 27,776.13, 38,291.18 and 19,804.52 is: 27,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.13 : 38,291.18 = 19,804.52 : x
  2. Step 2: Convert to fraction form
    27,776.13/38,291.18 = 19,804.52/x
  3. Step 3: Cross multiply
    27,776.13x = 38,291.18 × 19,804.52
  4. Step 4: Simplify right side
    27,776.13x = 758,338,248.68
  5. Step 5: Solve for x
    x = 758,338,248.68/27,776.13
  6. Step 6: Final answer
    x = 27,301.80

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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.