Home / 22,217.32-30,645.84-14,269.60

Finding the Fourth Proportional to 22,217.32, 30,645.84 and 14,269.60

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Solution

The fourth proportional to 22,217.32, 30,645.84 and 14,269.60 is: 19,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.32 : 30,645.84 = 14,269.60 : x
  2. Step 2: Convert to fraction form
    22,217.32/30,645.84 = 14,269.60/x
  3. Step 3: Cross multiply
    22,217.32x = 30,645.84 × 14,269.60
  4. Step 4: Simplify right side
    22,217.32x = 437,303,878.46
  5. Step 5: Solve for x
    x = 437,303,878.46/22,217.32
  6. Step 6: Final answer
    x = 19,683.02

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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.