Home / 40,215.18-60,309.56-13,554.02

Finding the Fourth Proportional to 40,215.18, 60,309.56 and 13,554.02

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Solution

The fourth proportional to 40,215.18, 60,309.56 and 13,554.02 is: 20,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.18 : 60,309.56 = 13,554.02 : x
  2. Step 2: Convert to fraction form
    40,215.18/60,309.56 = 13,554.02/x
  3. Step 3: Cross multiply
    40,215.18x = 60,309.56 × 13,554.02
  4. Step 4: Simplify right side
    40,215.18x = 817,436,982.43
  5. Step 5: Solve for x
    x = 817,436,982.43/40,215.18
  6. Step 6: Final answer
    x = 20,326.58

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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.