Home / 12,887.92-19,331.16-4,567.60

Finding the Fourth Proportional to 12,887.92, 19,331.16 and 4,567.60

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Solution

The fourth proportional to 12,887.92, 19,331.16 and 4,567.60 is: 6,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.92 : 19,331.16 = 4,567.60 : x
  2. Step 2: Convert to fraction form
    12,887.92/19,331.16 = 4,567.60/x
  3. Step 3: Cross multiply
    12,887.92x = 19,331.16 × 4,567.60
  4. Step 4: Simplify right side
    12,887.92x = 88,297,006.42
  5. Step 5: Solve for x
    x = 88,297,006.42/12,887.92
  6. Step 6: Final answer
    x = 6,851.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.