Home / 26,642.52-36,769.55-19,916.58

Finding the Fourth Proportional to 26,642.52, 36,769.55 and 19,916.58

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Solution

The fourth proportional to 26,642.52, 36,769.55 and 19,916.58 is: 27,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.52 : 36,769.55 = 19,916.58 : x
  2. Step 2: Convert to fraction form
    26,642.52/36,769.55 = 19,916.58/x
  3. Step 3: Cross multiply
    26,642.52x = 36,769.55 × 19,916.58
  4. Step 4: Simplify right side
    26,642.52x = 732,323,722.44
  5. Step 5: Solve for x
    x = 732,323,722.44/26,642.52
  6. Step 6: Final answer
    x = 27,487.03

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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.