Home / 15,551.52-21,463.56-9,267.54

Finding the Fourth Proportional to 15,551.52, 21,463.56 and 9,267.54

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Solution

The fourth proportional to 15,551.52, 21,463.56 and 9,267.54 is: 12,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.52 : 21,463.56 = 9,267.54 : x
  2. Step 2: Convert to fraction form
    15,551.52/21,463.56 = 9,267.54/x
  3. Step 3: Cross multiply
    15,551.52x = 21,463.56 × 9,267.54
  4. Step 4: Simplify right side
    15,551.52x = 198,914,400.84
  5. Step 5: Solve for x
    x = 198,914,400.84/15,551.52
  6. Step 6: Final answer
    x = 12,790.67

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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.