Home / 17,187.08-25,729.56-9,372.20

Finding the Fourth Proportional to 17,187.08, 25,729.56 and 9,372.20

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Solution

The fourth proportional to 17,187.08, 25,729.56 and 9,372.20 is: 14,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.08 : 25,729.56 = 9,372.20 : x
  2. Step 2: Convert to fraction form
    17,187.08/25,729.56 = 9,372.20/x
  3. Step 3: Cross multiply
    17,187.08x = 25,729.56 × 9,372.20
  4. Step 4: Simplify right side
    17,187.08x = 241,142,453.58
  5. Step 5: Solve for x
    x = 241,142,453.58/17,187.08
  6. Step 6: Final answer
    x = 14,030.45

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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.