Home / 15,138.09-22,706.21-7,246.22

Finding the Fourth Proportional to 15,138.09, 22,706.21 and 7,246.22

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Solution

The fourth proportional to 15,138.09, 22,706.21 and 7,246.22 is: 10,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.09 : 22,706.21 = 7,246.22 : x
  2. Step 2: Convert to fraction form
    15,138.09/22,706.21 = 7,246.22/x
  3. Step 3: Cross multiply
    15,138.09x = 22,706.21 × 7,246.22
  4. Step 4: Simplify right side
    15,138.09x = 164,534,193.03
  5. Step 5: Solve for x
    x = 164,534,193.03/15,138.09
  6. Step 6: Final answer
    x = 10,868.89

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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.