Home / 13,925.68-19,217.84-7,958.32

Finding the Fourth Proportional to 13,925.68, 19,217.84 and 7,958.32

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Solution

The fourth proportional to 13,925.68, 19,217.84 and 7,958.32 is: 10,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.68 : 19,217.84 = 7,958.32 : x
  2. Step 2: Convert to fraction form
    13,925.68/19,217.84 = 7,958.32/x
  3. Step 3: Cross multiply
    13,925.68x = 19,217.84 × 7,958.32
  4. Step 4: Simplify right side
    13,925.68x = 152,941,720.43
  5. Step 5: Solve for x
    x = 152,941,720.43/13,925.68
  6. Step 6: Final answer
    x = 10,982.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.