Home / 13,949.49-21,006.73-10,080.93

Finding the Fourth Proportional to 13,949.49, 21,006.73 and 10,080.93

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Solution

The fourth proportional to 13,949.49, 21,006.73 and 10,080.93 is: 15,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.49 : 21,006.73 = 10,080.93 : x
  2. Step 2: Convert to fraction form
    13,949.49/21,006.73 = 10,080.93/x
  3. Step 3: Cross multiply
    13,949.49x = 21,006.73 × 10,080.93
  4. Step 4: Simplify right side
    13,949.49x = 211,767,349.46
  5. Step 5: Solve for x
    x = 211,767,349.46/13,949.49
  6. Step 6: Final answer
    x = 15,181.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.