Home / 13,045.33-19,555.12-8,351.98

Finding the Fourth Proportional to 13,045.33, 19,555.12 and 8,351.98

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Solution

The fourth proportional to 13,045.33, 19,555.12 and 8,351.98 is: 12,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.33 : 19,555.12 = 8,351.98 : x
  2. Step 2: Convert to fraction form
    13,045.33/19,555.12 = 8,351.98/x
  3. Step 3: Cross multiply
    13,045.33x = 19,555.12 × 8,351.98
  4. Step 4: Simplify right side
    13,045.33x = 163,323,971.14
  5. Step 5: Solve for x
    x = 163,323,971.14/13,045.33
  6. Step 6: Final answer
    x = 12,519.73

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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.