Home / 19,748.61-29,633.85-11,831.67

Finding the Fourth Proportional to 19,748.61, 29,633.85 and 11,831.67

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Solution

The fourth proportional to 19,748.61, 29,633.85 and 11,831.67 is: 17,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.61 : 29,633.85 = 11,831.67 : x
  2. Step 2: Convert to fraction form
    19,748.61/29,633.85 = 11,831.67/x
  3. Step 3: Cross multiply
    19,748.61x = 29,633.85 × 11,831.67
  4. Step 4: Simplify right side
    19,748.61x = 350,617,934.03
  5. Step 5: Solve for x
    x = 350,617,934.03/19,748.61
  6. Step 6: Final answer
    x = 17,754.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.