Home / 26,478.79-36,516.33-17,993.59

Finding the Fourth Proportional to 26,478.79, 36,516.33 and 17,993.59

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Solution

The fourth proportional to 26,478.79, 36,516.33 and 17,993.59 is: 24,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.79 : 36,516.33 = 17,993.59 : x
  2. Step 2: Convert to fraction form
    26,478.79/36,516.33 = 17,993.59/x
  3. Step 3: Cross multiply
    26,478.79x = 36,516.33 × 17,993.59
  4. Step 4: Simplify right side
    26,478.79x = 657,059,870.32
  5. Step 5: Solve for x
    x = 657,059,870.32/26,478.79
  6. Step 6: Final answer
    x = 24,814.57

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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.