Home / 13,625.60-18,821.36-10,106.96

Finding the Fourth Proportional to 13,625.60, 18,821.36 and 10,106.96

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Solution

The fourth proportional to 13,625.60, 18,821.36 and 10,106.96 is: 13,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.60 : 18,821.36 = 10,106.96 : x
  2. Step 2: Convert to fraction form
    13,625.60/18,821.36 = 10,106.96/x
  3. Step 3: Cross multiply
    13,625.60x = 18,821.36 × 10,106.96
  4. Step 4: Simplify right side
    13,625.60x = 190,226,732.67
  5. Step 5: Solve for x
    x = 190,226,732.67/13,625.60
  6. Step 6: Final answer
    x = 13,960.98

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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.