Home / 22,416.40-30,937.35-13,468.60

Finding the Fourth Proportional to 22,416.40, 30,937.35 and 13,468.60

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Solution

The fourth proportional to 22,416.40, 30,937.35 and 13,468.60 is: 18,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.40 : 30,937.35 = 13,468.60 : x
  2. Step 2: Convert to fraction form
    22,416.40/30,937.35 = 13,468.60/x
  3. Step 3: Cross multiply
    22,416.40x = 30,937.35 × 13,468.60
  4. Step 4: Simplify right side
    22,416.40x = 416,682,792.21
  5. Step 5: Solve for x
    x = 416,682,792.21/22,416.40
  6. Step 6: Final answer
    x = 18,588.30

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Half scale
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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.