Home / 43,934.08-65,901.20-12,769.60

Finding the Fourth Proportional to 43,934.08, 65,901.20 and 12,769.60

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Solution

The fourth proportional to 43,934.08, 65,901.20 and 12,769.60 is: 19,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,934.08 : 65,901.20 = 12,769.60 : x
  2. Step 2: Convert to fraction form
    43,934.08/65,901.20 = 12,769.60/x
  3. Step 3: Cross multiply
    43,934.08x = 65,901.20 × 12,769.60
  4. Step 4: Simplify right side
    43,934.08x = 841,531,963.52
  5. Step 5: Solve for x
    x = 841,531,963.52/43,934.08
  6. Step 6: Final answer
    x = 19,154.42

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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.