Home / 19,664.19-27,137.13-10,711.84

Finding the Fourth Proportional to 19,664.19, 27,137.13 and 10,711.84

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Solution

The fourth proportional to 19,664.19, 27,137.13 and 10,711.84 is: 14,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.19 : 27,137.13 = 10,711.84 : x
  2. Step 2: Convert to fraction form
    19,664.19/27,137.13 = 10,711.84/x
  3. Step 3: Cross multiply
    19,664.19x = 27,137.13 × 10,711.84
  4. Step 4: Simplify right side
    19,664.19x = 290,688,594.62
  5. Step 5: Solve for x
    x = 290,688,594.62/19,664.19
  6. Step 6: Final answer
    x = 14,782.64

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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.