Home / 13,390.25-20,080.51-5,065.98

Finding the Fourth Proportional to 13,390.25, 20,080.51 and 5,065.98

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Solution

The fourth proportional to 13,390.25, 20,080.51 and 5,065.98 is: 7,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.25 : 20,080.51 = 5,065.98 : x
  2. Step 2: Convert to fraction form
    13,390.25/20,080.51 = 5,065.98/x
  3. Step 3: Cross multiply
    13,390.25x = 20,080.51 × 5,065.98
  4. Step 4: Simplify right side
    13,390.25x = 101,727,374.08
  5. Step 5: Solve for x
    x = 101,727,374.08/13,390.25
  6. Step 6: Final answer
    x = 7,597.13

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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.