Home / 26,923.10-40,384.65-18,628.70

Finding the Fourth Proportional to 26,923.10, 40,384.65 and 18,628.70

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Solution

The fourth proportional to 26,923.10, 40,384.65 and 18,628.70 is: 27,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.10 : 40,384.65 = 18,628.70 : x
  2. Step 2: Convert to fraction form
    26,923.10/40,384.65 = 18,628.70/x
  3. Step 3: Cross multiply
    26,923.10x = 40,384.65 × 18,628.70
  4. Step 4: Simplify right side
    26,923.10x = 752,313,529.46
  5. Step 5: Solve for x
    x = 752,313,529.46/26,923.10
  6. Step 6: Final answer
    x = 27,943.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.