Home / 15,372.96-23,070.38-11,866.47

Finding the Fourth Proportional to 15,372.96, 23,070.38 and 11,866.47

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Solution

The fourth proportional to 15,372.96, 23,070.38 and 11,866.47 is: 17,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.96 : 23,070.38 = 11,866.47 : x
  2. Step 2: Convert to fraction form
    15,372.96/23,070.38 = 11,866.47/x
  3. Step 3: Cross multiply
    15,372.96x = 23,070.38 × 11,866.47
  4. Step 4: Simplify right side
    15,372.96x = 273,763,972.16
  5. Step 5: Solve for x
    x = 273,763,972.16/15,372.96
  6. Step 6: Final answer
    x = 17,808.15

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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.