Home / 43,544.25-65,319.75-13,554.72

Finding the Fourth Proportional to 43,544.25, 65,319.75 and 13,554.72

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Solution

The fourth proportional to 43,544.25, 65,319.75 and 13,554.72 is: 20,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,544.25 : 65,319.75 = 13,554.72 : x
  2. Step 2: Convert to fraction form
    43,544.25/65,319.75 = 13,554.72/x
  3. Step 3: Cross multiply
    43,544.25x = 65,319.75 × 13,554.72
  4. Step 4: Simplify right side
    43,544.25x = 885,390,921.72
  5. Step 5: Solve for x
    x = 885,390,921.72/43,544.25
  6. Step 6: Final answer
    x = 20,333.13

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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.