Home / 16,947.16-25,386.03-7,928.30

Finding the Fourth Proportional to 16,947.16, 25,386.03 and 7,928.30

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Solution

The fourth proportional to 16,947.16, 25,386.03 and 7,928.30 is: 11,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.16 : 25,386.03 = 7,928.30 : x
  2. Step 2: Convert to fraction form
    16,947.16/25,386.03 = 7,928.30/x
  3. Step 3: Cross multiply
    16,947.16x = 25,386.03 × 7,928.30
  4. Step 4: Simplify right side
    16,947.16x = 201,268,125.11
  5. Step 5: Solve for x
    x = 201,268,125.11/16,947.16
  6. Step 6: Final answer
    x = 11,876.22

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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.