Home / 19,011.17-26,234.34-10,512.78

Finding the Fourth Proportional to 19,011.17, 26,234.34 and 10,512.78

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Solution

The fourth proportional to 19,011.17, 26,234.34 and 10,512.78 is: 14,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.17 : 26,234.34 = 10,512.78 : x
  2. Step 2: Convert to fraction form
    19,011.17/26,234.34 = 10,512.78/x
  3. Step 3: Cross multiply
    19,011.17x = 26,234.34 × 10,512.78
  4. Step 4: Simplify right side
    19,011.17x = 275,795,844.87
  5. Step 5: Solve for x
    x = 275,795,844.87/19,011.17
  6. Step 6: Final answer
    x = 14,507.05

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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.