Home / 27,143.44-37,460.36-15,206.70

Finding the Fourth Proportional to 27,143.44, 37,460.36 and 15,206.70

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Solution

The fourth proportional to 27,143.44, 37,460.36 and 15,206.70 is: 20,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.44 : 37,460.36 = 15,206.70 : x
  2. Step 2: Convert to fraction form
    27,143.44/37,460.36 = 15,206.70/x
  3. Step 3: Cross multiply
    27,143.44x = 37,460.36 × 15,206.70
  4. Step 4: Simplify right side
    27,143.44x = 569,648,456.41
  5. Step 5: Solve for x
    x = 569,648,456.41/27,143.44
  6. Step 6: Final answer
    x = 20,986.60

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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.