Home / 19,620.41-27,076.10-10,667.93

Finding the Fourth Proportional to 19,620.41, 27,076.10 and 10,667.93

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Solution

The fourth proportional to 19,620.41, 27,076.10 and 10,667.93 is: 14,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.41 : 27,076.10 = 10,667.93 : x
  2. Step 2: Convert to fraction form
    19,620.41/27,076.10 = 10,667.93/x
  3. Step 3: Cross multiply
    19,620.41x = 27,076.10 × 10,667.93
  4. Step 4: Simplify right side
    19,620.41x = 288,845,750.75
  5. Step 5: Solve for x
    x = 288,845,750.75/19,620.41
  6. Step 6: Final answer
    x = 14,721.70

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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.