Home / 16,940.07-23,378.16-10,225.60

Finding the Fourth Proportional to 16,940.07, 23,378.16 and 10,225.60

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Solution

The fourth proportional to 16,940.07, 23,378.16 and 10,225.60 is: 14,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.07 : 23,378.16 = 10,225.60 : x
  2. Step 2: Convert to fraction form
    16,940.07/23,378.16 = 10,225.60/x
  3. Step 3: Cross multiply
    16,940.07x = 23,378.16 × 10,225.60
  4. Step 4: Simplify right side
    16,940.07x = 239,055,712.90
  5. Step 5: Solve for x
    x = 239,055,712.90/16,940.07
  6. Step 6: Final answer
    x = 14,111.85

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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.