Home / 65,564.01-98,343.46-18,816.88

Finding the Fourth Proportional to 65,564.01, 98,343.46 and 18,816.88

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Solution

The fourth proportional to 65,564.01, 98,343.46 and 18,816.88 is: 28,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.01 : 98,343.46 = 18,816.88 : x
  2. Step 2: Convert to fraction form
    65,564.01/98,343.46 = 18,816.88/x
  3. Step 3: Cross multiply
    65,564.01x = 98,343.46 × 18,816.88
  4. Step 4: Simplify right side
    65,564.01x = 1,850,517,085.60
  5. Step 5: Solve for x
    x = 1,850,517,085.60/65,564.01
  6. Step 6: Final answer
    x = 28,224.59

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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.