Home / 26,909.84-37,134.60-15,731.60

Finding the Fourth Proportional to 26,909.84, 37,134.60 and 15,731.60

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Solution

The fourth proportional to 26,909.84, 37,134.60 and 15,731.60 is: 21,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.84 : 37,134.60 = 15,731.60 : x
  2. Step 2: Convert to fraction form
    26,909.84/37,134.60 = 15,731.60/x
  3. Step 3: Cross multiply
    26,909.84x = 37,134.60 × 15,731.60
  4. Step 4: Simplify right side
    26,909.84x = 584,186,673.36
  5. Step 5: Solve for x
    x = 584,186,673.36/26,909.84
  6. Step 6: Final answer
    x = 21,709.04

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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.