Home / 22,578.85-31,157.58-12,506.50

Finding the Fourth Proportional to 22,578.85, 31,157.58 and 12,506.50

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Solution

The fourth proportional to 22,578.85, 31,157.58 and 12,506.50 is: 17,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.85 : 31,157.58 = 12,506.50 : x
  2. Step 2: Convert to fraction form
    22,578.85/31,157.58 = 12,506.50/x
  3. Step 3: Cross multiply
    22,578.85x = 31,157.58 × 12,506.50
  4. Step 4: Simplify right side
    22,578.85x = 389,672,274.27
  5. Step 5: Solve for x
    x = 389,672,274.27/22,578.85
  6. Step 6: Final answer
    x = 17,258.29

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Double 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.