Home / 15,922.18-21,972.45-8,848.46

Finding the Fourth Proportional to 15,922.18, 21,972.45 and 8,848.46

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Solution

The fourth proportional to 15,922.18, 21,972.45 and 8,848.46 is: 12,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.18 : 21,972.45 = 8,848.46 : x
  2. Step 2: Convert to fraction form
    15,922.18/21,972.45 = 8,848.46/x
  3. Step 3: Cross multiply
    15,922.18x = 21,972.45 × 8,848.46
  4. Step 4: Simplify right side
    15,922.18x = 194,422,344.93
  5. Step 5: Solve for x
    x = 194,422,344.93/15,922.18
  6. Step 6: Final answer
    x = 12,210.79

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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.