Home / 13,772.54-19,006.30-7,484.92

Finding the Fourth Proportional to 13,772.54, 19,006.30 and 7,484.92

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Solution

The fourth proportional to 13,772.54, 19,006.30 and 7,484.92 is: 10,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.54 : 19,006.30 = 7,484.92 : x
  2. Step 2: Convert to fraction form
    13,772.54/19,006.30 = 7,484.92/x
  3. Step 3: Cross multiply
    13,772.54x = 19,006.30 × 7,484.92
  4. Step 4: Simplify right side
    13,772.54x = 142,260,635.00
  5. Step 5: Solve for x
    x = 142,260,635.00/13,772.54
  6. Step 6: Final answer
    x = 10,329.30

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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.