Home / 13,818.10-19,073.10-9,850.72

Finding the Fourth Proportional to 13,818.10, 19,073.10 and 9,850.72

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Solution

The fourth proportional to 13,818.10, 19,073.10 and 9,850.72 is: 13,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.10 : 19,073.10 = 9,850.72 : x
  2. Step 2: Convert to fraction form
    13,818.10/19,073.10 = 9,850.72/x
  3. Step 3: Cross multiply
    13,818.10x = 19,073.10 × 9,850.72
  4. Step 4: Simplify right side
    13,818.10x = 187,883,767.63
  5. Step 5: Solve for x
    x = 187,883,767.63/13,818.10
  6. Step 6: Final answer
    x = 13,596.93

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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.