Home / 15,836.01-21,853.40-8,762.43

Finding the Fourth Proportional to 15,836.01, 21,853.40 and 8,762.43

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Solution

The fourth proportional to 15,836.01, 21,853.40 and 8,762.43 is: 12,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.01 : 21,853.40 = 8,762.43 : x
  2. Step 2: Convert to fraction form
    15,836.01/21,853.40 = 8,762.43/x
  3. Step 3: Cross multiply
    15,836.01x = 21,853.40 × 8,762.43
  4. Step 4: Simplify right side
    15,836.01x = 191,488,887.76
  5. Step 5: Solve for x
    x = 191,488,887.76/15,836.01
  6. Step 6: Final answer
    x = 12,091.99

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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.