Home / 19,369.75-26,726.13-11,409.07

Finding the Fourth Proportional to 19,369.75, 26,726.13 and 11,409.07

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Solution

The fourth proportional to 19,369.75, 26,726.13 and 11,409.07 is: 15,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.75 : 26,726.13 = 11,409.07 : x
  2. Step 2: Convert to fraction form
    19,369.75/26,726.13 = 11,409.07/x
  3. Step 3: Cross multiply
    19,369.75x = 26,726.13 × 11,409.07
  4. Step 4: Simplify right side
    19,369.75x = 304,920,288.00
  5. Step 5: Solve for x
    x = 304,920,288.00/19,369.75
  6. Step 6: Final answer
    x = 15,742.09

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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.