Home / 15,888.05-21,922.35-9,600.44

Finding the Fourth Proportional to 15,888.05, 21,922.35 and 9,600.44

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Solution

The fourth proportional to 15,888.05, 21,922.35 and 9,600.44 is: 13,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.05 : 21,922.35 = 9,600.44 : x
  2. Step 2: Convert to fraction form
    15,888.05/21,922.35 = 9,600.44/x
  3. Step 3: Cross multiply
    15,888.05x = 21,922.35 × 9,600.44
  4. Step 4: Simplify right side
    15,888.05x = 210,464,205.83
  5. Step 5: Solve for x
    x = 210,464,205.83/15,888.05
  6. Step 6: Final answer
    x = 13,246.70

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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.