Home / 26,768.82-36,946.13-15,445.63

Finding the Fourth Proportional to 26,768.82, 36,946.13 and 15,445.63

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Solution

The fourth proportional to 26,768.82, 36,946.13 and 15,445.63 is: 21,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.82 : 36,946.13 = 15,445.63 : x
  2. Step 2: Convert to fraction form
    26,768.82/36,946.13 = 15,445.63/x
  3. Step 3: Cross multiply
    26,768.82x = 36,946.13 × 15,445.63
  4. Step 4: Simplify right side
    26,768.82x = 570,656,253.91
  5. Step 5: Solve for x
    x = 570,656,253.91/26,768.82
  6. Step 6: Final answer
    x = 21,317.95

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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.