Home / 19,664.81-27,137.52-10,712.24

Finding the Fourth Proportional to 19,664.81, 27,137.52 and 10,712.24

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Solution

The fourth proportional to 19,664.81, 27,137.52 and 10,712.24 is: 14,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.81 : 27,137.52 = 10,712.24 : x
  2. Step 2: Convert to fraction form
    19,664.81/27,137.52 = 10,712.24/x
  3. Step 3: Cross multiply
    19,664.81x = 27,137.52 × 10,712.24
  4. Step 4: Simplify right side
    19,664.81x = 290,703,627.24
  5. Step 5: Solve for x
    x = 290,703,627.24/19,664.81
  6. Step 6: Final answer
    x = 14,782.94

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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.