Home / 13,981.84-19,291.76-10,207.06

Finding the Fourth Proportional to 13,981.84, 19,291.76 and 10,207.06

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Solution

The fourth proportional to 13,981.84, 19,291.76 and 10,207.06 is: 14,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.84 : 19,291.76 = 10,207.06 : x
  2. Step 2: Convert to fraction form
    13,981.84/19,291.76 = 10,207.06/x
  3. Step 3: Cross multiply
    13,981.84x = 19,291.76 × 10,207.06
  4. Step 4: Simplify right side
    13,981.84x = 196,912,151.83
  5. Step 5: Solve for x
    x = 196,912,151.83/13,981.84
  6. Step 6: Final answer
    x = 14,083.42

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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.