Home / 26,820.72-37,013.36-14,721.75

Finding the Fourth Proportional to 26,820.72, 37,013.36 and 14,721.75

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Solution

The fourth proportional to 26,820.72, 37,013.36 and 14,721.75 is: 20,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820.72 : 37,013.36 = 14,721.75 : x
  2. Step 2: Convert to fraction form
    26,820.72/37,013.36 = 14,721.75/x
  3. Step 3: Cross multiply
    26,820.72x = 37,013.36 × 14,721.75
  4. Step 4: Simplify right side
    26,820.72x = 544,901,358.97
  5. Step 5: Solve for x
    x = 544,901,358.97/26,820.72
  6. Step 6: Final answer
    x = 20,316.43

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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.