Home / 22,188.40-30,625.14-14,636.08

Finding the Fourth Proportional to 22,188.40, 30,625.14 and 14,636.08

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Solution

The fourth proportional to 22,188.40, 30,625.14 and 14,636.08 is: 20,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.40 : 30,625.14 = 14,636.08 : x
  2. Step 2: Convert to fraction form
    22,188.40/30,625.14 = 14,636.08/x
  3. Step 3: Cross multiply
    22,188.40x = 30,625.14 × 14,636.08
  4. Step 4: Simplify right side
    22,188.40x = 448,231,999.05
  5. Step 5: Solve for x
    x = 448,231,999.05/22,188.40
  6. Step 6: Final answer
    x = 20,201.19

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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.