Home / 27,143.52-37,460.25-15,209.52

Finding the Fourth Proportional to 27,143.52, 37,460.25 and 15,209.52

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Solution

The fourth proportional to 27,143.52, 37,460.25 and 15,209.52 is: 20,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.52 : 37,460.25 = 15,209.52 : x
  2. Step 2: Convert to fraction form
    27,143.52/37,460.25 = 15,209.52/x
  3. Step 3: Cross multiply
    27,143.52x = 37,460.25 × 15,209.52
  4. Step 4: Simplify right side
    27,143.52x = 569,752,421.58
  5. Step 5: Solve for x
    x = 569,752,421.58/27,143.52
  6. Step 6: Final answer
    x = 20,990.37

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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.