Home / 23,172.68-31,952.94-17,215.40

Finding the Fourth Proportional to 23,172.68, 31,952.94 and 17,215.40

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Solution

The fourth proportional to 23,172.68, 31,952.94 and 17,215.40 is: 23,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.68 : 31,952.94 = 17,215.40 : x
  2. Step 2: Convert to fraction form
    23,172.68/31,952.94 = 17,215.40/x
  3. Step 3: Cross multiply
    23,172.68x = 31,952.94 × 17,215.40
  4. Step 4: Simplify right side
    23,172.68x = 550,082,643.28
  5. Step 5: Solve for x
    x = 550,082,643.28/23,172.68
  6. Step 6: Final answer
    x = 23,738.41

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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.