Home / 23,108.57-31,890.27-13,035.03

Finding the Fourth Proportional to 23,108.57, 31,890.27 and 13,035.03

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Solution

The fourth proportional to 23,108.57, 31,890.27 and 13,035.03 is: 17,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.57 : 31,890.27 = 13,035.03 : x
  2. Step 2: Convert to fraction form
    23,108.57/31,890.27 = 13,035.03/x
  3. Step 3: Cross multiply
    23,108.57x = 31,890.27 × 13,035.03
  4. Step 4: Simplify right side
    23,108.57x = 415,690,626.16
  5. Step 5: Solve for x
    x = 415,690,626.16/23,108.57
  6. Step 6: Final answer
    x = 17,988.59

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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.