Home / 13,841.40-19,094.76-8,174.64

Finding the Fourth Proportional to 13,841.40, 19,094.76 and 8,174.64

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Solution

The fourth proportional to 13,841.40, 19,094.76 and 8,174.64 is: 11,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.40 : 19,094.76 = 8,174.64 : x
  2. Step 2: Convert to fraction form
    13,841.40/19,094.76 = 8,174.64/x
  3. Step 3: Cross multiply
    13,841.40x = 19,094.76 × 8,174.64
  4. Step 4: Simplify right side
    13,841.40x = 156,092,788.89
  5. Step 5: Solve for x
    x = 156,092,788.89/13,841.40
  6. Step 6: Final answer
    x = 11,277.24

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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.