Home / 65,518.02-98,276.76-18,770.76

Finding the Fourth Proportional to 65,518.02, 98,276.76 and 18,770.76

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Solution

The fourth proportional to 65,518.02, 98,276.76 and 18,770.76 is: 28,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,518.02 : 98,276.76 = 18,770.76 : x
  2. Step 2: Convert to fraction form
    65,518.02/98,276.76 = 18,770.76/x
  3. Step 3: Cross multiply
    65,518.02x = 98,276.76 × 18,770.76
  4. Step 4: Simplify right side
    65,518.02x = 1,844,729,475.54
  5. Step 5: Solve for x
    x = 1,844,729,475.54/65,518.02
  6. Step 6: Final answer
    x = 28,156.06

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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.