Home / 19,829.56-27,364.60-10,876.64

Finding the Fourth Proportional to 19,829.56, 27,364.60 and 10,876.64

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Solution

The fourth proportional to 19,829.56, 27,364.60 and 10,876.64 is: 15,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.56 : 27,364.60 = 10,876.64 : x
  2. Step 2: Convert to fraction form
    19,829.56/27,364.60 = 10,876.64/x
  3. Step 3: Cross multiply
    19,829.56x = 27,364.60 × 10,876.64
  4. Step 4: Simplify right side
    19,829.56x = 297,634,902.94
  5. Step 5: Solve for x
    x = 297,634,902.94/19,829.56
  6. Step 6: Final answer
    x = 15,009.66

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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.