Home / 26,940.68-40,417.37-8,472.68

Finding the Fourth Proportional to 26,940.68, 40,417.37 and 8,472.68

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Solution

The fourth proportional to 26,940.68, 40,417.37 and 8,472.68 is: 12,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.68 : 40,417.37 = 8,472.68 : x
  2. Step 2: Convert to fraction form
    26,940.68/40,417.37 = 8,472.68/x
  3. Step 3: Cross multiply
    26,940.68x = 40,417.37 × 8,472.68
  4. Step 4: Simplify right side
    26,940.68x = 342,443,442.45
  5. Step 5: Solve for x
    x = 342,443,442.45/26,940.68
  6. Step 6: Final answer
    x = 12,711.02

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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.