Home / 15,231.94-22,940.41-13,407.10

Finding the Fourth Proportional to 15,231.94, 22,940.41 and 13,407.10

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Solution

The fourth proportional to 15,231.94, 22,940.41 and 13,407.10 is: 20,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,231.94 : 22,940.41 = 13,407.10 : x
  2. Step 2: Convert to fraction form
    15,231.94/22,940.41 = 13,407.10/x
  3. Step 3: Cross multiply
    15,231.94x = 22,940.41 × 13,407.10
  4. Step 4: Simplify right side
    15,231.94x = 307,564,370.91
  5. Step 5: Solve for x
    x = 307,564,370.91/15,231.94
  6. Step 6: Final answer
    x = 20,192.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.