Home / 22,117.93-30,525.27-13,165.46

Finding the Fourth Proportional to 22,117.93, 30,525.27 and 13,165.46

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Solution

The fourth proportional to 22,117.93, 30,525.27 and 13,165.46 is: 18,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.93 : 30,525.27 = 13,165.46 : x
  2. Step 2: Convert to fraction form
    22,117.93/30,525.27 = 13,165.46/x
  3. Step 3: Cross multiply
    22,117.93x = 30,525.27 × 13,165.46
  4. Step 4: Simplify right side
    22,117.93x = 401,879,221.17
  5. Step 5: Solve for x
    x = 401,879,221.17/22,117.93
  6. Step 6: Final answer
    x = 18,169.84

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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.