Home / 25,253.12-34,847.66-13,922.72

Finding the Fourth Proportional to 25,253.12, 34,847.66 and 13,922.72

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Solution

The fourth proportional to 25,253.12, 34,847.66 and 13,922.72 is: 19,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,253.12 : 34,847.66 = 13,922.72 : x
  2. Step 2: Convert to fraction form
    25,253.12/34,847.66 = 13,922.72/x
  3. Step 3: Cross multiply
    25,253.12x = 34,847.66 × 13,922.72
  4. Step 4: Simplify right side
    25,253.12x = 485,174,212.84
  5. Step 5: Solve for x
    x = 485,174,212.84/25,253.12
  6. Step 6: Final answer
    x = 19,212.45

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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.