Home / 19,829.45-27,365.40-10,877.33

Finding the Fourth Proportional to 19,829.45, 27,365.40 and 10,877.33

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Solution

The fourth proportional to 19,829.45, 27,365.40 and 10,877.33 is: 15,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.45 : 27,365.40 = 10,877.33 : x
  2. Step 2: Convert to fraction form
    19,829.45/27,365.40 = 10,877.33/x
  3. Step 3: Cross multiply
    19,829.45x = 27,365.40 × 10,877.33
  4. Step 4: Simplify right side
    19,829.45x = 297,662,349.56
  5. Step 5: Solve for x
    x = 297,662,349.56/19,829.45
  6. Step 6: Final answer
    x = 15,011.13

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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.