Home / 25,258.06-34,856.36-13,928.01

Finding the Fourth Proportional to 25,258.06, 34,856.36 and 13,928.01

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Solution

The fourth proportional to 25,258.06, 34,856.36 and 13,928.01 is: 19,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,258.06 : 34,856.36 = 13,928.01 : x
  2. Step 2: Convert to fraction form
    25,258.06/34,856.36 = 13,928.01/x
  3. Step 3: Cross multiply
    25,258.06x = 34,856.36 × 13,928.01
  4. Step 4: Simplify right side
    25,258.06x = 485,479,730.64
  5. Step 5: Solve for x
    x = 485,479,730.64/25,258.06
  6. Step 6: Final answer
    x = 19,220.78

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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.