Home / 21,266.25-29,347.19-11,705.93

Finding the Fourth Proportional to 21,266.25, 29,347.19 and 11,705.93

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Solution

The fourth proportional to 21,266.25, 29,347.19 and 11,705.93 is: 16,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,266.25 : 29,347.19 = 11,705.93 : x
  2. Step 2: Convert to fraction form
    21,266.25/29,347.19 = 11,705.93/x
  3. Step 3: Cross multiply
    21,266.25x = 29,347.19 × 11,705.93
  4. Step 4: Simplify right side
    21,266.25x = 343,536,151.84
  5. Step 5: Solve for x
    x = 343,536,151.84/21,266.25
  6. Step 6: Final answer
    x = 16,154.05

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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.