Home / 19,677.50-27,154.62-10,725.08

Finding the Fourth Proportional to 19,677.50, 27,154.62 and 10,725.08

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Solution

The fourth proportional to 19,677.50, 27,154.62 and 10,725.08 is: 14,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.50 : 27,154.62 = 10,725.08 : x
  2. Step 2: Convert to fraction form
    19,677.50/27,154.62 = 10,725.08/x
  3. Step 3: Cross multiply
    19,677.50x = 27,154.62 × 10,725.08
  4. Step 4: Simplify right side
    19,677.50x = 291,235,471.87
  5. Step 5: Solve for x
    x = 291,235,471.87/19,677.50
  6. Step 6: Final answer
    x = 14,800.43

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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.