Home / 22,315.10-30,795.16-12,243.36

Finding the Fourth Proportional to 22,315.10, 30,795.16 and 12,243.36

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Solution

The fourth proportional to 22,315.10, 30,795.16 and 12,243.36 is: 16,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.10 : 30,795.16 = 12,243.36 : x
  2. Step 2: Convert to fraction form
    22,315.10/30,795.16 = 12,243.36/x
  3. Step 3: Cross multiply
    22,315.10x = 30,795.16 × 12,243.36
  4. Step 4: Simplify right side
    22,315.10x = 377,036,230.14
  5. Step 5: Solve for x
    x = 377,036,230.14/22,315.10
  6. Step 6: Final answer
    x = 16,896.01

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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.