Home / 19,488.96-26,899.20-11,535.84

Finding the Fourth Proportional to 19,488.96, 26,899.20 and 11,535.84

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Solution

The fourth proportional to 19,488.96, 26,899.20 and 11,535.84 is: 15,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.96 : 26,899.20 = 11,535.84 : x
  2. Step 2: Convert to fraction form
    19,488.96/26,899.20 = 11,535.84/x
  3. Step 3: Cross multiply
    19,488.96x = 26,899.20 × 11,535.84
  4. Step 4: Simplify right side
    19,488.96x = 310,304,867.33
  5. Step 5: Solve for x
    x = 310,304,867.33/19,488.96
  6. Step 6: Final answer
    x = 15,922.08

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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.