Home / 65,995.06-98,992.59-19,251.70

Finding the Fourth Proportional to 65,995.06, 98,992.59 and 19,251.70

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Solution

The fourth proportional to 65,995.06, 98,992.59 and 19,251.70 is: 28,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,995.06 : 98,992.59 = 19,251.70 : x
  2. Step 2: Convert to fraction form
    65,995.06/98,992.59 = 19,251.70/x
  3. Step 3: Cross multiply
    65,995.06x = 98,992.59 × 19,251.70
  4. Step 4: Simplify right side
    65,995.06x = 1,905,775,644.90
  5. Step 5: Solve for x
    x = 1,905,775,644.90/65,995.06
  6. Step 6: Final answer
    x = 28,877.55

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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.