Home / 26,721.04-36,878.24-15,543.04

Finding the Fourth Proportional to 26,721.04, 36,878.24 and 15,543.04

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Solution

The fourth proportional to 26,721.04, 36,878.24 and 15,543.04 is: 21,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.04 : 36,878.24 = 15,543.04 : x
  2. Step 2: Convert to fraction form
    26,721.04/36,878.24 = 15,543.04/x
  3. Step 3: Cross multiply
    26,721.04x = 36,878.24 × 15,543.04
  4. Step 4: Simplify right side
    26,721.04x = 573,199,959.45
  5. Step 5: Solve for x
    x = 573,199,959.45/26,721.04
  6. Step 6: Final answer
    x = 21,451.26

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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.