Home / 15,910.84-21,956.58-8,837.27

Finding the Fourth Proportional to 15,910.84, 21,956.58 and 8,837.27

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Solution

The fourth proportional to 15,910.84, 21,956.58 and 8,837.27 is: 12,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.84 : 21,956.58 = 8,837.27 : x
  2. Step 2: Convert to fraction form
    15,910.84/21,956.58 = 8,837.27/x
  3. Step 3: Cross multiply
    15,910.84x = 21,956.58 × 8,837.27
  4. Step 4: Simplify right side
    15,910.84x = 194,036,225.74
  5. Step 5: Solve for x
    x = 194,036,225.74/15,910.84
  6. Step 6: Final answer
    x = 12,195.22

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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.