Home / 19,807.34-27,334.94-10,855.62

Finding the Fourth Proportional to 19,807.34, 27,334.94 and 10,855.62

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Solution

The fourth proportional to 19,807.34, 27,334.94 and 10,855.62 is: 14,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.34 : 27,334.94 = 10,855.62 : x
  2. Step 2: Convert to fraction form
    19,807.34/27,334.94 = 10,855.62/x
  3. Step 3: Cross multiply
    19,807.34x = 27,334.94 × 10,855.62
  4. Step 4: Simplify right side
    19,807.34x = 296,737,667.08
  5. Step 5: Solve for x
    x = 296,737,667.08/19,807.34
  6. Step 6: Final answer
    x = 14,981.20

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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.