Home / 23,090.88-31,856.43-13,017.02

Finding the Fourth Proportional to 23,090.88, 31,856.43 and 13,017.02

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Solution

The fourth proportional to 23,090.88, 31,856.43 and 13,017.02 is: 17,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090.88 : 31,856.43 = 13,017.02 : x
  2. Step 2: Convert to fraction form
    23,090.88/31,856.43 = 13,017.02/x
  3. Step 3: Cross multiply
    23,090.88x = 31,856.43 × 13,017.02
  4. Step 4: Simplify right side
    23,090.88x = 414,675,627.16
  5. Step 5: Solve for x
    x = 414,675,627.16/23,090.88
  6. Step 6: Final answer
    x = 17,958.42

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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.