Home / 22,602.60-31,185.27-13,169.34

Finding the Fourth Proportional to 22,602.60, 31,185.27 and 13,169.34

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Solution

The fourth proportional to 22,602.60, 31,185.27 and 13,169.34 is: 18,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602.60 : 31,185.27 = 13,169.34 : x
  2. Step 2: Convert to fraction form
    22,602.60/31,185.27 = 13,169.34/x
  3. Step 3: Cross multiply
    22,602.60x = 31,185.27 × 13,169.34
  4. Step 4: Simplify right side
    22,602.60x = 410,689,423.62
  5. Step 5: Solve for x
    x = 410,689,423.62/22,602.60
  6. Step 6: Final answer
    x = 18,170.01

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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.