Home / 17,219.14-23,687.85-15,085.06

Finding the Fourth Proportional to 17,219.14, 23,687.85 and 15,085.06

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Solution

The fourth proportional to 17,219.14, 23,687.85 and 15,085.06 is: 20,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.14 : 23,687.85 = 15,085.06 : x
  2. Step 2: Convert to fraction form
    17,219.14/23,687.85 = 15,085.06/x
  3. Step 3: Cross multiply
    17,219.14x = 23,687.85 × 15,085.06
  4. Step 4: Simplify right side
    17,219.14x = 357,332,638.52
  5. Step 5: Solve for x
    x = 357,332,638.52/17,219.14
  6. Step 6: Final answer
    x = 20,752.06

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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.