Home / 13,532.96-18,675.36-7,564.48

Finding the Fourth Proportional to 13,532.96, 18,675.36 and 7,564.48

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Solution

The fourth proportional to 13,532.96, 18,675.36 and 7,564.48 is: 10,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.96 : 18,675.36 = 7,564.48 : x
  2. Step 2: Convert to fraction form
    13,532.96/18,675.36 = 7,564.48/x
  3. Step 3: Cross multiply
    13,532.96x = 18,675.36 × 7,564.48
  4. Step 4: Simplify right side
    13,532.96x = 141,269,340.52
  5. Step 5: Solve for x
    x = 141,269,340.52/13,532.96
  6. Step 6: Final answer
    x = 10,438.91

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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.