Home / 26,621.81-36,770.81-19,937.29

Finding the Fourth Proportional to 26,621.81, 36,770.81 and 19,937.29

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Solution

The fourth proportional to 26,621.81, 36,770.81 and 19,937.29 is: 27,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.81 : 36,770.81 = 19,937.29 : x
  2. Step 2: Convert to fraction form
    26,621.81/36,770.81 = 19,937.29/x
  3. Step 3: Cross multiply
    26,621.81x = 36,770.81 × 19,937.29
  4. Step 4: Simplify right side
    26,621.81x = 733,110,302.50
  5. Step 5: Solve for x
    x = 733,110,302.50/26,621.81
  6. Step 6: Final answer
    x = 27,537.96

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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.