Home / 43,114.08-64,671.12-13,534.52

Finding the Fourth Proportional to 43,114.08, 64,671.12 and 13,534.52

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Solution

The fourth proportional to 43,114.08, 64,671.12 and 13,534.52 is: 20,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,114.08 : 64,671.12 = 13,534.52 : x
  2. Step 2: Convert to fraction form
    43,114.08/64,671.12 = 13,534.52/x
  3. Step 3: Cross multiply
    43,114.08x = 64,671.12 × 13,534.52
  4. Step 4: Simplify right side
    43,114.08x = 875,292,567.06
  5. Step 5: Solve for x
    x = 875,292,567.06/43,114.08
  6. Step 6: Final answer
    x = 20,301.78

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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.