Home / 26,819.52-40,230.36-12,772.32

Finding the Fourth Proportional to 26,819.52, 40,230.36 and 12,772.32

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Solution

The fourth proportional to 26,819.52, 40,230.36 and 12,772.32 is: 19,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.52 : 40,230.36 = 12,772.32 : x
  2. Step 2: Convert to fraction form
    26,819.52/40,230.36 = 12,772.32/x
  3. Step 3: Cross multiply
    26,819.52x = 40,230.36 × 12,772.32
  4. Step 4: Simplify right side
    26,819.52x = 513,835,031.64
  5. Step 5: Solve for x
    x = 513,835,031.64/26,819.52
  6. Step 6: Final answer
    x = 19,158.99

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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.