Home / 26,355.91-39,528.16-8,345.56

Finding the Fourth Proportional to 26,355.91, 39,528.16 and 8,345.56

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Solution

The fourth proportional to 26,355.91, 39,528.16 and 8,345.56 is: 12,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.91 : 39,528.16 = 8,345.56 : x
  2. Step 2: Convert to fraction form
    26,355.91/39,528.16 = 8,345.56/x
  3. Step 3: Cross multiply
    26,355.91x = 39,528.16 × 8,345.56
  4. Step 4: Simplify right side
    26,355.91x = 329,884,630.97
  5. Step 5: Solve for x
    x = 329,884,630.97/26,355.91
  6. Step 6: Final answer
    x = 12,516.53

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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.