Home / 26,048.75-39,074.47-8,280.72

Finding the Fourth Proportional to 26,048.75, 39,074.47 and 8,280.72

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Solution

The fourth proportional to 26,048.75, 39,074.47 and 8,280.72 is: 12,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,048.75 : 39,074.47 = 8,280.72 : x
  2. Step 2: Convert to fraction form
    26,048.75/39,074.47 = 8,280.72/x
  3. Step 3: Cross multiply
    26,048.75x = 39,074.47 × 8,280.72
  4. Step 4: Simplify right side
    26,048.75x = 323,564,724.52
  5. Step 5: Solve for x
    x = 323,564,724.52/26,048.75
  6. Step 6: Final answer
    x = 12,421.51

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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.