Home / 22,230.18-30,647.63-14,258.57

Finding the Fourth Proportional to 22,230.18, 30,647.63 and 14,258.57

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Solution

The fourth proportional to 22,230.18, 30,647.63 and 14,258.57 is: 19,657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.18 : 30,647.63 = 14,258.57 : x
  2. Step 2: Convert to fraction form
    22,230.18/30,647.63 = 14,258.57/x
  3. Step 3: Cross multiply
    22,230.18x = 30,647.63 × 14,258.57
  4. Step 4: Simplify right side
    22,230.18x = 436,991,260.10
  5. Step 5: Solve for x
    x = 436,991,260.10/22,230.18
  6. Step 6: Final answer
    x = 19,657.57

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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.