Home / 43,920.60-65,887.29-14,331.15

Finding the Fourth Proportional to 43,920.60, 65,887.29 and 14,331.15

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Solution

The fourth proportional to 43,920.60, 65,887.29 and 14,331.15 is: 21,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,920.60 : 65,887.29 = 14,331.15 : x
  2. Step 2: Convert to fraction form
    43,920.60/65,887.29 = 14,331.15/x
  3. Step 3: Cross multiply
    43,920.60x = 65,887.29 × 14,331.15
  4. Step 4: Simplify right side
    43,920.60x = 944,240,636.08
  5. Step 5: Solve for x
    x = 944,240,636.08/43,920.60
  6. Step 6: Final answer
    x = 21,498.81

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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.