Home / 16,825.65-23,219.43-10,111.38

Finding the Fourth Proportional to 16,825.65, 23,219.43 and 10,111.38

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Solution

The fourth proportional to 16,825.65, 23,219.43 and 10,111.38 is: 13,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.65 : 23,219.43 = 10,111.38 : x
  2. Step 2: Convert to fraction form
    16,825.65/23,219.43 = 10,111.38/x
  3. Step 3: Cross multiply
    16,825.65x = 23,219.43 × 10,111.38
  4. Step 4: Simplify right side
    16,825.65x = 234,780,480.11
  5. Step 5: Solve for x
    x = 234,780,480.11/16,825.65
  6. Step 6: Final answer
    x = 13,953.72

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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.