Home / 65,634.57-98,435.45-18,887.45

Finding the Fourth Proportional to 65,634.57, 98,435.45 and 18,887.45

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Solution

The fourth proportional to 65,634.57, 98,435.45 and 18,887.45 is: 28,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,634.57 : 98,435.45 = 18,887.45 : x
  2. Step 2: Convert to fraction form
    65,634.57/98,435.45 = 18,887.45/x
  3. Step 3: Cross multiply
    65,634.57x = 98,435.45 × 18,887.45
  4. Step 4: Simplify right side
    65,634.57x = 1,859,194,053.49
  5. Step 5: Solve for x
    x = 1,859,194,053.49/65,634.57
  6. Step 6: Final answer
    x = 28,326.45

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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.