Home / 17,206.75-23,749.23-10,135.45

Finding the Fourth Proportional to 17,206.75, 23,749.23 and 10,135.45

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Solution

The fourth proportional to 17,206.75, 23,749.23 and 10,135.45 is: 13,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.75 : 23,749.23 = 10,135.45 : x
  2. Step 2: Convert to fraction form
    17,206.75/23,749.23 = 10,135.45/x
  3. Step 3: Cross multiply
    17,206.75x = 23,749.23 × 10,135.45
  4. Step 4: Simplify right side
    17,206.75x = 240,709,133.20
  5. Step 5: Solve for x
    x = 240,709,133.20/17,206.75
  6. Step 6: Final answer
    x = 13,989.23

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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.