Home / 65,525.63-98,288.46-18,778.50

Finding the Fourth Proportional to 65,525.63, 98,288.46 and 18,778.50

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Solution

The fourth proportional to 65,525.63, 98,288.46 and 18,778.50 is: 28,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,525.63 : 98,288.46 = 18,778.50 : x
  2. Step 2: Convert to fraction form
    65,525.63/98,288.46 = 18,778.50/x
  3. Step 3: Cross multiply
    65,525.63x = 98,288.46 × 18,778.50
  4. Step 4: Simplify right side
    65,525.63x = 1,845,709,846.11
  5. Step 5: Solve for x
    x = 1,845,709,846.11/65,525.63
  6. Step 6: Final answer
    x = 28,167.76

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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.