Home / 19,351.89-26,707.17-11,395.67

Finding the Fourth Proportional to 19,351.89, 26,707.17 and 11,395.67

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Solution

The fourth proportional to 19,351.89, 26,707.17 and 11,395.67 is: 15,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.89 : 26,707.17 = 11,395.67 : x
  2. Step 2: Convert to fraction form
    19,351.89/26,707.17 = 11,395.67/x
  3. Step 3: Cross multiply
    19,351.89x = 26,707.17 × 11,395.67
  4. Step 4: Simplify right side
    19,351.89x = 304,345,962.42
  5. Step 5: Solve for x
    x = 304,345,962.42/19,351.89
  6. Step 6: Final answer
    x = 15,726.94

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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.