Home / 25,948.70-38,928.51-8,417.16

Finding the Fourth Proportional to 25,948.70, 38,928.51 and 8,417.16

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Solution

The fourth proportional to 25,948.70, 38,928.51 and 8,417.16 is: 12,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.70 : 38,928.51 = 8,417.16 : x
  2. Step 2: Convert to fraction form
    25,948.70/38,928.51 = 8,417.16/x
  3. Step 3: Cross multiply
    25,948.70x = 38,928.51 × 8,417.16
  4. Step 4: Simplify right side
    25,948.70x = 327,667,497.23
  5. Step 5: Solve for x
    x = 327,667,497.23/25,948.70
  6. Step 6: Final answer
    x = 12,627.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.