Home / 13,181.54-19,772.40-4,417.14

Finding the Fourth Proportional to 13,181.54, 19,772.40 and 4,417.14

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Solution

The fourth proportional to 13,181.54, 19,772.40 and 4,417.14 is: 6,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.54 : 19,772.40 = 4,417.14 : x
  2. Step 2: Convert to fraction form
    13,181.54/19,772.40 = 4,417.14/x
  3. Step 3: Cross multiply
    13,181.54x = 19,772.40 × 4,417.14
  4. Step 4: Simplify right side
    13,181.54x = 87,337,458.94
  5. Step 5: Solve for x
    x = 87,337,458.94/13,181.54
  6. Step 6: Final answer
    x = 6,625.74

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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.