Home / 26,715.36-36,865.20-14,778.56

Finding the Fourth Proportional to 26,715.36, 36,865.20 and 14,778.56

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Solution

The fourth proportional to 26,715.36, 36,865.20 and 14,778.56 is: 20,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.36 : 36,865.20 = 14,778.56 : x
  2. Step 2: Convert to fraction form
    26,715.36/36,865.20 = 14,778.56/x
  3. Step 3: Cross multiply
    26,715.36x = 36,865.20 × 14,778.56
  4. Step 4: Simplify right side
    26,715.36x = 544,814,570.11
  5. Step 5: Solve for x
    x = 544,814,570.11/26,715.36
  6. Step 6: Final answer
    x = 20,393.31

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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.