Home / 13,173.47-18,173.01-7,794.44

Finding the Fourth Proportional to 13,173.47, 18,173.01 and 7,794.44

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Solution

The fourth proportional to 13,173.47, 18,173.01 and 7,794.44 is: 10,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.47 : 18,173.01 = 7,794.44 : x
  2. Step 2: Convert to fraction form
    13,173.47/18,173.01 = 7,794.44/x
  3. Step 3: Cross multiply
    13,173.47x = 18,173.01 × 7,794.44
  4. Step 4: Simplify right side
    13,173.47x = 141,648,442.58
  5. Step 5: Solve for x
    x = 141,648,442.58/13,173.47
  6. Step 6: Final answer
    x = 10,752.55

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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.