Home / 26,943.89-37,182.65-15,615.59

Finding the Fourth Proportional to 26,943.89, 37,182.65 and 15,615.59

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Solution

The fourth proportional to 26,943.89, 37,182.65 and 15,615.59 is: 21,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.89 : 37,182.65 = 15,615.59 : x
  2. Step 2: Convert to fraction form
    26,943.89/37,182.65 = 15,615.59/x
  3. Step 3: Cross multiply
    26,943.89x = 37,182.65 × 15,615.59
  4. Step 4: Simplify right side
    26,943.89x = 580,628,753.52
  5. Step 5: Solve for x
    x = 580,628,753.52/26,943.89
  6. Step 6: Final answer
    x = 21,549.55

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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.