Home / 13,252.50-19,885.56-7,328.28

Finding the Fourth Proportional to 13,252.50, 19,885.56 and 7,328.28

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Solution

The fourth proportional to 13,252.50, 19,885.56 and 7,328.28 is: 10,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.50 : 19,885.56 = 7,328.28 : x
  2. Step 2: Convert to fraction form
    13,252.50/19,885.56 = 7,328.28/x
  3. Step 3: Cross multiply
    13,252.50x = 19,885.56 × 7,328.28
  4. Step 4: Simplify right side
    13,252.50x = 145,726,951.64
  5. Step 5: Solve for x
    x = 145,726,951.64/13,252.50
  6. Step 6: Final answer
    x = 10,996.19

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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.