Home / 13,857.16-19,116.22-10,074.46

Finding the Fourth Proportional to 13,857.16, 19,116.22 and 10,074.46

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Solution

The fourth proportional to 13,857.16, 19,116.22 and 10,074.46 is: 13,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857.16 : 19,116.22 = 10,074.46 : x
  2. Step 2: Convert to fraction form
    13,857.16/19,116.22 = 10,074.46/x
  3. Step 3: Cross multiply
    13,857.16x = 19,116.22 × 10,074.46
  4. Step 4: Simplify right side
    13,857.16x = 192,585,593.74
  5. Step 5: Solve for x
    x = 192,585,593.74/13,857.16
  6. Step 6: Final answer
    x = 13,897.91

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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.