Home / 27,079.21-37,370.33-15,142.52

Finding the Fourth Proportional to 27,079.21, 37,370.33 and 15,142.52

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Solution

The fourth proportional to 27,079.21, 37,370.33 and 15,142.52 is: 20,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.21 : 37,370.33 = 15,142.52 : x
  2. Step 2: Convert to fraction form
    27,079.21/37,370.33 = 15,142.52/x
  3. Step 3: Cross multiply
    27,079.21x = 37,370.33 × 15,142.52
  4. Step 4: Simplify right side
    27,079.21x = 565,880,969.43
  5. Step 5: Solve for x
    x = 565,880,969.43/27,079.21
  6. Step 6: Final answer
    x = 20,897.25

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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.