Home / 17,427.40-26,142.52-10,455.06

Finding the Fourth Proportional to 17,427.40, 26,142.52 and 10,455.06

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Solution

The fourth proportional to 17,427.40, 26,142.52 and 10,455.06 is: 15,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.40 : 26,142.52 = 10,455.06 : x
  2. Step 2: Convert to fraction form
    17,427.40/26,142.52 = 10,455.06/x
  3. Step 3: Cross multiply
    17,427.40x = 26,142.52 × 10,455.06
  4. Step 4: Simplify right side
    17,427.40x = 273,321,615.15
  5. Step 5: Solve for x
    x = 273,321,615.15/17,427.40
  6. Step 6: Final answer
    x = 15,683.44

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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.