Home / 15,956.10-21,996.60-11,225.70

Finding the Fourth Proportional to 15,956.10, 21,996.60 and 11,225.70

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Solution

The fourth proportional to 15,956.10, 21,996.60 and 11,225.70 is: 15,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.10 : 21,996.60 = 11,225.70 : x
  2. Step 2: Convert to fraction form
    15,956.10/21,996.60 = 11,225.70/x
  3. Step 3: Cross multiply
    15,956.10x = 21,996.60 × 11,225.70
  4. Step 4: Simplify right side
    15,956.10x = 246,927,232.62
  5. Step 5: Solve for x
    x = 246,927,232.62/15,956.10
  6. Step 6: Final answer
    x = 15,475.41

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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.