Home / 25,251.21-34,848.74-13,921.74

Finding the Fourth Proportional to 25,251.21, 34,848.74 and 13,921.74

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Solution

The fourth proportional to 25,251.21, 34,848.74 and 13,921.74 is: 19,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.21 : 34,848.74 = 13,921.74 : x
  2. Step 2: Convert to fraction form
    25,251.21/34,848.74 = 13,921.74/x
  3. Step 3: Cross multiply
    25,251.21x = 34,848.74 × 13,921.74
  4. Step 4: Simplify right side
    25,251.21x = 485,155,132.41
  5. Step 5: Solve for x
    x = 485,155,132.41/25,251.21
  6. Step 6: Final answer
    x = 19,213.14

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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.