Home / 43,608.60-65,434.50-17,312.76

Finding the Fourth Proportional to 43,608.60, 65,434.50 and 17,312.76

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Solution

The fourth proportional to 43,608.60, 65,434.50 and 17,312.76 is: 25,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,608.60 : 65,434.50 = 17,312.76 : x
  2. Step 2: Convert to fraction form
    43,608.60/65,434.50 = 17,312.76/x
  3. Step 3: Cross multiply
    43,608.60x = 65,434.50 × 17,312.76
  4. Step 4: Simplify right side
    43,608.60x = 1,132,851,794.22
  5. Step 5: Solve for x
    x = 1,132,851,794.22/43,608.60
  6. Step 6: Final answer
    x = 25,977.72

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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.