Home / 13,247.15-19,870.79-4,482.14

Finding the Fourth Proportional to 13,247.15, 19,870.79 and 4,482.14

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Solution

The fourth proportional to 13,247.15, 19,870.79 and 4,482.14 is: 6,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.15 : 19,870.79 = 4,482.14 : x
  2. Step 2: Convert to fraction form
    13,247.15/19,870.79 = 4,482.14/x
  3. Step 3: Cross multiply
    13,247.15x = 19,870.79 × 4,482.14
  4. Step 4: Simplify right side
    13,247.15x = 89,063,540.93
  5. Step 5: Solve for x
    x = 89,063,540.93/13,247.15
  6. Step 6: Final answer
    x = 6,723.23

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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.