Home / 26,240.64-36,212.16-16,819.20

Finding the Fourth Proportional to 26,240.64, 36,212.16 and 16,819.20

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Solution

The fourth proportional to 26,240.64, 36,212.16 and 16,819.20 is: 23,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,240.64 : 36,212.16 = 16,819.20 : x
  2. Step 2: Convert to fraction form
    26,240.64/36,212.16 = 16,819.20/x
  3. Step 3: Cross multiply
    26,240.64x = 36,212.16 × 16,819.20
  4. Step 4: Simplify right side
    26,240.64x = 609,059,561.47
  5. Step 5: Solve for x
    x = 609,059,561.47/26,240.64
  6. Step 6: Final answer
    x = 23,210.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.