Home / 65,778.49-98,673.96-18,393.58

Finding the Fourth Proportional to 65,778.49, 98,673.96 and 18,393.58

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Solution

The fourth proportional to 65,778.49, 98,673.96 and 18,393.58 is: 27,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,778.49 : 98,673.96 = 18,393.58 : x
  2. Step 2: Convert to fraction form
    65,778.49/98,673.96 = 18,393.58/x
  3. Step 3: Cross multiply
    65,778.49x = 98,673.96 × 18,393.58
  4. Step 4: Simplify right side
    65,778.49x = 1,814,967,130.49
  5. Step 5: Solve for x
    x = 1,814,967,130.49/65,778.49
  6. Step 6: Final answer
    x = 27,592.11

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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.