Home / 19,334.40-29,001.78-6,186.48

Finding the Fourth Proportional to 19,334.40, 29,001.78 and 6,186.48

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Solution

The fourth proportional to 19,334.40, 29,001.78 and 6,186.48 is: 9,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.40 : 29,001.78 = 6,186.48 : x
  2. Step 2: Convert to fraction form
    19,334.40/29,001.78 = 6,186.48/x
  3. Step 3: Cross multiply
    19,334.40x = 29,001.78 × 6,186.48
  4. Step 4: Simplify right side
    19,334.40x = 179,418,931.93
  5. Step 5: Solve for x
    x = 179,418,931.93/19,334.40
  6. Step 6: Final answer
    x = 9,279.78

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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.