Home / 17,603.28-26,381.76-7,209.36

Finding the Fourth Proportional to 17,603.28, 26,381.76 and 7,209.36

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Solution

The fourth proportional to 17,603.28, 26,381.76 and 7,209.36 is: 10,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.28 : 26,381.76 = 7,209.36 : x
  2. Step 2: Convert to fraction form
    17,603.28/26,381.76 = 7,209.36/x
  3. Step 3: Cross multiply
    17,603.28x = 26,381.76 × 7,209.36
  4. Step 4: Simplify right side
    17,603.28x = 190,195,605.27
  5. Step 5: Solve for x
    x = 190,195,605.27/17,603.28
  6. Step 6: Final answer
    x = 10,804.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.