Home / 27,589.04-38,072.52-15,013.52

Finding the Fourth Proportional to 27,589.04, 38,072.52 and 15,013.52

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Solution

The fourth proportional to 27,589.04, 38,072.52 and 15,013.52 is: 20,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.04 : 38,072.52 = 15,013.52 : x
  2. Step 2: Convert to fraction form
    27,589.04/38,072.52 = 15,013.52/x
  3. Step 3: Cross multiply
    27,589.04x = 38,072.52 × 15,013.52
  4. Step 4: Simplify right side
    27,589.04x = 571,602,540.47
  5. Step 5: Solve for x
    x = 571,602,540.47/27,589.04
  6. Step 6: Final answer
    x = 20,718.46

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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.