Home / 14,330.78-19,786.11-10,967.58

Finding the Fourth Proportional to 14,330.78, 19,786.11 and 10,967.58

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Solution

The fourth proportional to 14,330.78, 19,786.11 and 10,967.58 is: 15,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.78 : 19,786.11 = 10,967.58 : x
  2. Step 2: Convert to fraction form
    14,330.78/19,786.11 = 10,967.58/x
  3. Step 3: Cross multiply
    14,330.78x = 19,786.11 × 10,967.58
  4. Step 4: Simplify right side
    14,330.78x = 217,005,744.31
  5. Step 5: Solve for x
    x = 217,005,744.31/14,330.78
  6. Step 6: Final answer
    x = 15,142.63

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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.