Home / 15,770.58-21,767.86-11,056.02

Finding the Fourth Proportional to 15,770.58, 21,767.86 and 11,056.02

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Solution

The fourth proportional to 15,770.58, 21,767.86 and 11,056.02 is: 15,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.58 : 21,767.86 = 11,056.02 : x
  2. Step 2: Convert to fraction form
    15,770.58/21,767.86 = 11,056.02/x
  3. Step 3: Cross multiply
    15,770.58x = 21,767.86 × 11,056.02
  4. Step 4: Simplify right side
    15,770.58x = 240,665,895.52
  5. Step 5: Solve for x
    x = 240,665,895.52/15,770.58
  6. Step 6: Final answer
    x = 15,260.43

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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.