Home / 21,267.74-29,349.24-11,707.41

Finding the Fourth Proportional to 21,267.74, 29,349.24 and 11,707.41

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Solution

The fourth proportional to 21,267.74, 29,349.24 and 11,707.41 is: 16,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.74 : 29,349.24 = 11,707.41 : x
  2. Step 2: Convert to fraction form
    21,267.74/29,349.24 = 11,707.41/x
  3. Step 3: Cross multiply
    21,267.74x = 29,349.24 × 11,707.41
  4. Step 4: Simplify right side
    21,267.74x = 343,603,585.87
  5. Step 5: Solve for x
    x = 343,603,585.87/21,267.74
  6. Step 6: Final answer
    x = 16,156.10

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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.