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Finding the Fourth Proportional to 14,858.10, 22,287.15 and 13,400.10

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Solution

The fourth proportional to 14,858.10, 22,287.15 and 13,400.10 is: 20,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.10 : 22,287.15 = 13,400.10 : x
  2. Step 2: Convert to fraction form
    14,858.10/22,287.15 = 13,400.10/x
  3. Step 3: Cross multiply
    14,858.10x = 22,287.15 × 13,400.10
  4. Step 4: Simplify right side
    14,858.10x = 298,650,038.72
  5. Step 5: Solve for x
    x = 298,650,038.72/14,858.10
  6. Step 6: Final answer
    x = 20,100.15

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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.