Home / 19,688.42-27,169.49-10,735.92

Finding the Fourth Proportional to 19,688.42, 27,169.49 and 10,735.92

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Solution

The fourth proportional to 19,688.42, 27,169.49 and 10,735.92 is: 14,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.42 : 27,169.49 = 10,735.92 : x
  2. Step 2: Convert to fraction form
    19,688.42/27,169.49 = 10,735.92/x
  3. Step 3: Cross multiply
    19,688.42x = 27,169.49 × 10,735.92
  4. Step 4: Simplify right side
    19,688.42x = 291,689,497.92
  5. Step 5: Solve for x
    x = 291,689,497.92/19,688.42
  6. Step 6: Final answer
    x = 14,815.28

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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.