Home / 26,753.46-36,923.67-15,420.80

Finding the Fourth Proportional to 26,753.46, 36,923.67 and 15,420.80

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Solution

The fourth proportional to 26,753.46, 36,923.67 and 15,420.80 is: 21,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,753.46 : 36,923.67 = 15,420.80 : x
  2. Step 2: Convert to fraction form
    26,753.46/36,923.67 = 15,420.80/x
  3. Step 3: Cross multiply
    26,753.46x = 36,923.67 × 15,420.80
  4. Step 4: Simplify right side
    26,753.46x = 569,392,345.72
  5. Step 5: Solve for x
    x = 569,392,345.72/26,753.46
  6. Step 6: Final answer
    x = 21,282.94

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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.