Home / 53,536.89-80,306.64-17,998.74

Finding the Fourth Proportional to 53,536.89, 80,306.64 and 17,998.74

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Solution

The fourth proportional to 53,536.89, 80,306.64 and 17,998.74 is: 26,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,536.89 : 80,306.64 = 17,998.74 : x
  2. Step 2: Convert to fraction form
    53,536.89/80,306.64 = 17,998.74/x
  3. Step 3: Cross multiply
    53,536.89x = 80,306.64 × 17,998.74
  4. Step 4: Simplify right side
    53,536.89x = 1,445,418,333.63
  5. Step 5: Solve for x
    x = 1,445,418,333.63/53,536.89
  6. Step 6: Final answer
    x = 26,998.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.