Home / 19,830.12-27,365.09-10,877.54

Finding the Fourth Proportional to 19,830.12, 27,365.09 and 10,877.54

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Solution

The fourth proportional to 19,830.12, 27,365.09 and 10,877.54 is: 15,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.12 : 27,365.09 = 10,877.54 : x
  2. Step 2: Convert to fraction form
    19,830.12/27,365.09 = 10,877.54/x
  3. Step 3: Cross multiply
    19,830.12x = 27,365.09 × 10,877.54
  4. Step 4: Simplify right side
    19,830.12x = 297,664,861.08
  5. Step 5: Solve for x
    x = 297,664,861.08/19,830.12
  6. Step 6: Final answer
    x = 15,010.74

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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.