Home / 15,846.83-21,870.11-9,473.44

Finding the Fourth Proportional to 15,846.83, 21,870.11 and 9,473.44

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Solution

The fourth proportional to 15,846.83, 21,870.11 and 9,473.44 is: 13,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.83 : 21,870.11 = 9,473.44 : x
  2. Step 2: Convert to fraction form
    15,846.83/21,870.11 = 9,473.44/x
  3. Step 3: Cross multiply
    15,846.83x = 21,870.11 × 9,473.44
  4. Step 4: Simplify right side
    15,846.83x = 207,185,143.89
  5. Step 5: Solve for x
    x = 207,185,143.89/15,846.83
  6. Step 6: Final answer
    x = 13,074.24

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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.