Home / 16,904.97-23,318.69-12,440.25

Finding the Fourth Proportional to 16,904.97, 23,318.69 and 12,440.25

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Solution

The fourth proportional to 16,904.97, 23,318.69 and 12,440.25 is: 17,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.97 : 23,318.69 = 12,440.25 : x
  2. Step 2: Convert to fraction form
    16,904.97/23,318.69 = 12,440.25/x
  3. Step 3: Cross multiply
    16,904.97x = 23,318.69 × 12,440.25
  4. Step 4: Simplify right side
    16,904.97x = 290,090,271.07
  5. Step 5: Solve for x
    x = 290,090,271.07/16,904.97
  6. Step 6: Final answer
    x = 17,160.06

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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.