Home / 19,830.14-27,365.60-10,877.66

Finding the Fourth Proportional to 19,830.14, 27,365.60 and 10,877.66

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Solution

The fourth proportional to 19,830.14, 27,365.60 and 10,877.66 is: 15,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.14 : 27,365.60 = 10,877.66 : x
  2. Step 2: Convert to fraction form
    19,830.14/27,365.60 = 10,877.66/x
  3. Step 3: Cross multiply
    19,830.14x = 27,365.60 × 10,877.66
  4. Step 4: Simplify right side
    19,830.14x = 297,673,706.52
  5. Step 5: Solve for x
    x = 297,673,706.52/19,830.14
  6. Step 6: Final answer
    x = 15,011.17

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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.