Home / 17,187.68-23,706.86-14,628.90

Finding the Fourth Proportional to 17,187.68, 23,706.86 and 14,628.90

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Solution

The fourth proportional to 17,187.68, 23,706.86 and 14,628.90 is: 20,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.68 : 23,706.86 = 14,628.90 : x
  2. Step 2: Convert to fraction form
    17,187.68/23,706.86 = 14,628.90/x
  3. Step 3: Cross multiply
    17,187.68x = 23,706.86 × 14,628.90
  4. Step 4: Simplify right side
    17,187.68x = 346,805,284.25
  5. Step 5: Solve for x
    x = 346,805,284.25/17,187.68
  6. Step 6: Final answer
    x = 20,177.55

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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.