Home / 19,330.56-26,686.08-11,882.88

Finding the Fourth Proportional to 19,330.56, 26,686.08 and 11,882.88

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Solution

The fourth proportional to 19,330.56, 26,686.08 and 11,882.88 is: 16,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.56 : 26,686.08 = 11,882.88 : x
  2. Step 2: Convert to fraction form
    19,330.56/26,686.08 = 11,882.88/x
  3. Step 3: Cross multiply
    19,330.56x = 26,686.08 × 11,882.88
  4. Step 4: Simplify right side
    19,330.56x = 317,107,486.31
  5. Step 5: Solve for x
    x = 317,107,486.31/19,330.56
  6. Step 6: Final answer
    x = 16,404.46

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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.