Home / 19,011.16-26,234.32-10,512.78

Finding the Fourth Proportional to 19,011.16, 26,234.32 and 10,512.78

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Solution

The fourth proportional to 19,011.16, 26,234.32 and 10,512.78 is: 14,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.16 : 26,234.32 = 10,512.78 : x
  2. Step 2: Convert to fraction form
    19,011.16/26,234.32 = 10,512.78/x
  3. Step 3: Cross multiply
    19,011.16x = 26,234.32 × 10,512.78
  4. Step 4: Simplify right side
    19,011.16x = 275,795,634.61
  5. Step 5: Solve for x
    x = 275,795,634.61/19,011.16
  6. Step 6: Final answer
    x = 14,507.04

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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.