Home / 19,735.76-27,235.60-10,783.38

Finding the Fourth Proportional to 19,735.76, 27,235.60 and 10,783.38

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Solution

The fourth proportional to 19,735.76, 27,235.60 and 10,783.38 is: 14,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.76 : 27,235.60 = 10,783.38 : x
  2. Step 2: Convert to fraction form
    19,735.76/27,235.60 = 10,783.38/x
  3. Step 3: Cross multiply
    19,735.76x = 27,235.60 × 10,783.38
  4. Step 4: Simplify right side
    19,735.76x = 293,691,824.33
  5. Step 5: Solve for x
    x = 293,691,824.33/19,735.76
  6. Step 6: Final answer
    x = 14,881.20

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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.