Home / 18,074.65-27,008.37-13,776.59

Finding the Fourth Proportional to 18,074.65, 27,008.37 and 13,776.59

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Solution

The fourth proportional to 18,074.65, 27,008.37 and 13,776.59 is: 20,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.65 : 27,008.37 = 13,776.59 : x
  2. Step 2: Convert to fraction form
    18,074.65/27,008.37 = 13,776.59/x
  3. Step 3: Cross multiply
    18,074.65x = 27,008.37 × 13,776.59
  4. Step 4: Simplify right side
    18,074.65x = 372,083,036.13
  5. Step 5: Solve for x
    x = 372,083,036.13/18,074.65
  6. Step 6: Final answer
    x = 20,585.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.