Home / 17,912.28-26,856.90-8,547.24

Finding the Fourth Proportional to 17,912.28, 26,856.90 and 8,547.24

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Solution

The fourth proportional to 17,912.28, 26,856.90 and 8,547.24 is: 12,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.28 : 26,856.90 = 8,547.24 : x
  2. Step 2: Convert to fraction form
    17,912.28/26,856.90 = 8,547.24/x
  3. Step 3: Cross multiply
    17,912.28x = 26,856.90 × 8,547.24
  4. Step 4: Simplify right side
    17,912.28x = 229,552,369.96
  5. Step 5: Solve for x
    x = 229,552,369.96/17,912.28
  6. Step 6: Final answer
    x = 12,815.36

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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.