Home / 43,340.48-65,011.08-13,758.44

Finding the Fourth Proportional to 43,340.48, 65,011.08 and 13,758.44

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Solution

The fourth proportional to 43,340.48, 65,011.08 and 13,758.44 is: 20,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,340.48 : 65,011.08 = 13,758.44 : x
  2. Step 2: Convert to fraction form
    43,340.48/65,011.08 = 13,758.44/x
  3. Step 3: Cross multiply
    43,340.48x = 65,011.08 × 13,758.44
  4. Step 4: Simplify right side
    43,340.48x = 894,451,043.52
  5. Step 5: Solve for x
    x = 894,451,043.52/43,340.48
  6. Step 6: Final answer
    x = 20,637.77

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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.