Home / 19,761.25-27,270.33-10,808.93

Finding the Fourth Proportional to 19,761.25, 27,270.33 and 10,808.93

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Solution

The fourth proportional to 19,761.25, 27,270.33 and 10,808.93 is: 14,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.25 : 27,270.33 = 10,808.93 : x
  2. Step 2: Convert to fraction form
    19,761.25/27,270.33 = 10,808.93/x
  3. Step 3: Cross multiply
    19,761.25x = 27,270.33 × 10,808.93
  4. Step 4: Simplify right side
    19,761.25x = 294,763,088.05
  5. Step 5: Solve for x
    x = 294,763,088.05/19,761.25
  6. Step 6: Final answer
    x = 14,916.21

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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.