Home / 43,117.40-64,675.96-13,537.44

Finding the Fourth Proportional to 43,117.40, 64,675.96 and 13,537.44

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Solution

The fourth proportional to 43,117.40, 64,675.96 and 13,537.44 is: 20,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,117.40 : 64,675.96 = 13,537.44 : x
  2. Step 2: Convert to fraction form
    43,117.40/64,675.96 = 13,537.44/x
  3. Step 3: Cross multiply
    43,117.40x = 64,675.96 × 13,537.44
  4. Step 4: Simplify right side
    43,117.40x = 875,546,894.10
  5. Step 5: Solve for x
    x = 875,546,894.10/43,117.40
  6. Step 6: Final answer
    x = 20,306.11

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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.