Home / 13,770.06-20,657.52-4,888.11

Finding the Fourth Proportional to 13,770.06, 20,657.52 and 4,888.11

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Solution

The fourth proportional to 13,770.06, 20,657.52 and 4,888.11 is: 7,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.06 : 20,657.52 = 4,888.11 : x
  2. Step 2: Convert to fraction form
    13,770.06/20,657.52 = 4,888.11/x
  3. Step 3: Cross multiply
    13,770.06x = 20,657.52 × 4,888.11
  4. Step 4: Simplify right side
    13,770.06x = 100,976,230.09
  5. Step 5: Solve for x
    x = 100,976,230.09/13,770.06
  6. Step 6: Final answer
    x = 7,333.03

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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.