Home / 19,242.72-26,561.97-11,291.58

Finding the Fourth Proportional to 19,242.72, 26,561.97 and 11,291.58

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Solution

The fourth proportional to 19,242.72, 26,561.97 and 11,291.58 is: 15,586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.72 : 26,561.97 = 11,291.58 : x
  2. Step 2: Convert to fraction form
    19,242.72/26,561.97 = 11,291.58/x
  3. Step 3: Cross multiply
    19,242.72x = 26,561.97 × 11,291.58
  4. Step 4: Simplify right side
    19,242.72x = 299,926,609.21
  5. Step 5: Solve for x
    x = 299,926,609.21/19,242.72
  6. Step 6: Final answer
    x = 15,586.50

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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.