Home / 26,621.72-36,740.56-19,895.68

Finding the Fourth Proportional to 26,621.72, 36,740.56 and 19,895.68

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Solution

The fourth proportional to 26,621.72, 36,740.56 and 19,895.68 is: 27,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.72 : 36,740.56 = 19,895.68 : x
  2. Step 2: Convert to fraction form
    26,621.72/36,740.56 = 19,895.68/x
  3. Step 3: Cross multiply
    26,621.72x = 36,740.56 × 19,895.68
  4. Step 4: Simplify right side
    26,621.72x = 730,978,424.78
  5. Step 5: Solve for x
    x = 730,978,424.78/26,621.72
  6. Step 6: Final answer
    x = 27,457.97

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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.