Home / 13,848.18-20,759.92-5,081.06

Finding the Fourth Proportional to 13,848.18, 20,759.92 and 5,081.06

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Solution

The fourth proportional to 13,848.18, 20,759.92 and 5,081.06 is: 7,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.18 : 20,759.92 = 5,081.06 : x
  2. Step 2: Convert to fraction form
    13,848.18/20,759.92 = 5,081.06/x
  3. Step 3: Cross multiply
    13,848.18x = 20,759.92 × 5,081.06
  4. Step 4: Simplify right side
    13,848.18x = 105,482,399.12
  5. Step 5: Solve for x
    x = 105,482,399.12/13,848.18
  6. Step 6: Final answer
    x = 7,617.06

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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.