Home / 26,721.77-36,905.22-17,807.11

Finding the Fourth Proportional to 26,721.77, 36,905.22 and 17,807.11

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Solution

The fourth proportional to 26,721.77, 36,905.22 and 17,807.11 is: 24,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.77 : 36,905.22 = 17,807.11 : x
  2. Step 2: Convert to fraction form
    26,721.77/36,905.22 = 17,807.11/x
  3. Step 3: Cross multiply
    26,721.77x = 36,905.22 × 17,807.11
  4. Step 4: Simplify right side
    26,721.77x = 657,175,219.85
  5. Step 5: Solve for x
    x = 657,175,219.85/26,721.77
  6. Step 6: Final answer
    x = 24,593.26

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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.