Home / 13,063.40-19,587.90-5,666.60

Finding the Fourth Proportional to 13,063.40, 19,587.90 and 5,666.60

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Solution

The fourth proportional to 13,063.40, 19,587.90 and 5,666.60 is: 8,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.40 : 19,587.90 = 5,666.60 : x
  2. Step 2: Convert to fraction form
    13,063.40/19,587.90 = 5,666.60/x
  3. Step 3: Cross multiply
    13,063.40x = 19,587.90 × 5,666.60
  4. Step 4: Simplify right side
    13,063.40x = 110,996,794.14
  5. Step 5: Solve for x
    x = 110,996,794.14/13,063.40
  6. Step 6: Final answer
    x = 8,496.78

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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.