Home / 15,922.68-21,973.14-8,848.96

Finding the Fourth Proportional to 15,922.68, 21,973.14 and 8,848.96

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Solution

The fourth proportional to 15,922.68, 21,973.14 and 8,848.96 is: 12,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.68 : 21,973.14 = 8,848.96 : x
  2. Step 2: Convert to fraction form
    15,922.68/21,973.14 = 8,848.96/x
  3. Step 3: Cross multiply
    15,922.68x = 21,973.14 × 8,848.96
  4. Step 4: Simplify right side
    15,922.68x = 194,439,436.93
  5. Step 5: Solve for x
    x = 194,439,436.93/15,922.68
  6. Step 6: Final answer
    x = 12,211.48

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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.