Home / 43,046.88-64,572.12-13,465.26

Finding the Fourth Proportional to 43,046.88, 64,572.12 and 13,465.26

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Solution

The fourth proportional to 43,046.88, 64,572.12 and 13,465.26 is: 20,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,046.88 : 64,572.12 = 13,465.26 : x
  2. Step 2: Convert to fraction form
    43,046.88/64,572.12 = 13,465.26/x
  3. Step 3: Cross multiply
    43,046.88x = 64,572.12 × 13,465.26
  4. Step 4: Simplify right side
    43,046.88x = 869,480,384.55
  5. Step 5: Solve for x
    x = 869,480,384.55/43,046.88
  6. Step 6: Final answer
    x = 20,198.45

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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.