Home / 19,559.72-26,988.80-11,494.69

Finding the Fourth Proportional to 19,559.72, 26,988.80 and 11,494.69

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Solution

The fourth proportional to 19,559.72, 26,988.80 and 11,494.69 is: 15,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.72 : 26,988.80 = 11,494.69 : x
  2. Step 2: Convert to fraction form
    19,559.72/26,988.80 = 11,494.69/x
  3. Step 3: Cross multiply
    19,559.72x = 26,988.80 × 11,494.69
  4. Step 4: Simplify right side
    19,559.72x = 310,227,764.53
  5. Step 5: Solve for x
    x = 310,227,764.53/19,559.72
  6. Step 6: Final answer
    x = 15,860.54

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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.