Home / 22,244.63-30,697.58-12,813.19

Finding the Fourth Proportional to 22,244.63, 30,697.58 and 12,813.19

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Solution

The fourth proportional to 22,244.63, 30,697.58 and 12,813.19 is: 17,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.63 : 30,697.58 = 12,813.19 : x
  2. Step 2: Convert to fraction form
    22,244.63/30,697.58 = 12,813.19/x
  3. Step 3: Cross multiply
    22,244.63x = 30,697.58 × 12,813.19
  4. Step 4: Simplify right side
    22,244.63x = 393,333,880.37
  5. Step 5: Solve for x
    x = 393,333,880.37/22,244.63
  6. Step 6: Final answer
    x = 17,682.20

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Half scale
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Double scale
Find fourth proportional to 22,245.63, 30,698.96 and 12,814.19
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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.