Home / 26,451.48-36,503.04-15,121.22

Finding the Fourth Proportional to 26,451.48, 36,503.04 and 15,121.22

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Solution

The fourth proportional to 26,451.48, 36,503.04 and 15,121.22 is: 20,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.48 : 36,503.04 = 15,121.22 : x
  2. Step 2: Convert to fraction form
    26,451.48/36,503.04 = 15,121.22/x
  3. Step 3: Cross multiply
    26,451.48x = 36,503.04 × 15,121.22
  4. Step 4: Simplify right side
    26,451.48x = 551,970,498.51
  5. Step 5: Solve for x
    x = 551,970,498.51/26,451.48
  6. Step 6: Final answer
    x = 20,867.28

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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.