Home / 26,349.78-39,529.53-8,342.54

Finding the Fourth Proportional to 26,349.78, 39,529.53 and 8,342.54

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Solution

The fourth proportional to 26,349.78, 39,529.53 and 8,342.54 is: 12,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.78 : 39,529.53 = 8,342.54 : x
  2. Step 2: Convert to fraction form
    26,349.78/39,529.53 = 8,342.54/x
  3. Step 3: Cross multiply
    26,349.78x = 39,529.53 × 8,342.54
  4. Step 4: Simplify right side
    26,349.78x = 329,776,685.21
  5. Step 5: Solve for x
    x = 329,776,685.21/26,349.78
  6. Step 6: Final answer
    x = 12,515.35

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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.