Home / 25,219.44-34,801.64-13,888.72

Finding the Fourth Proportional to 25,219.44, 34,801.64 and 13,888.72

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Solution

The fourth proportional to 25,219.44, 34,801.64 and 13,888.72 is: 19,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.44 : 34,801.64 = 13,888.72 : x
  2. Step 2: Convert to fraction form
    25,219.44/34,801.64 = 13,888.72/x
  3. Step 3: Cross multiply
    25,219.44x = 34,801.64 × 13,888.72
  4. Step 4: Simplify right side
    25,219.44x = 483,350,233.50
  5. Step 5: Solve for x
    x = 483,350,233.50/25,219.44
  6. Step 6: Final answer
    x = 19,165.78

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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.