Home / 15,905.70-21,952.26-11,444.22

Finding the Fourth Proportional to 15,905.70, 21,952.26 and 11,444.22

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Solution

The fourth proportional to 15,905.70, 21,952.26 and 11,444.22 is: 15,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.70 : 21,952.26 = 11,444.22 : x
  2. Step 2: Convert to fraction form
    15,905.70/21,952.26 = 11,444.22/x
  3. Step 3: Cross multiply
    15,905.70x = 21,952.26 × 11,444.22
  4. Step 4: Simplify right side
    15,905.70x = 251,226,492.94
  5. Step 5: Solve for x
    x = 251,226,492.94/15,905.70
  6. Step 6: Final answer
    x = 15,794.75

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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.