Home / 23,201.51-32,017.63-13,129.77

Finding the Fourth Proportional to 23,201.51, 32,017.63 and 13,129.77

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Solution

The fourth proportional to 23,201.51, 32,017.63 and 13,129.77 is: 18,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.51 : 32,017.63 = 13,129.77 : x
  2. Step 2: Convert to fraction form
    23,201.51/32,017.63 = 13,129.77/x
  3. Step 3: Cross multiply
    23,201.51x = 32,017.63 × 13,129.77
  4. Step 4: Simplify right side
    23,201.51x = 420,384,117.85
  5. Step 5: Solve for x
    x = 420,384,117.85/23,201.51
  6. Step 6: Final answer
    x = 18,118.83

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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.