Home / 19,673.14-27,148.58-10,720.72

Finding the Fourth Proportional to 19,673.14, 27,148.58 and 10,720.72

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Solution

The fourth proportional to 19,673.14, 27,148.58 and 10,720.72 is: 14,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.14 : 27,148.58 = 10,720.72 : x
  2. Step 2: Convert to fraction form
    19,673.14/27,148.58 = 10,720.72/x
  3. Step 3: Cross multiply
    19,673.14x = 27,148.58 × 10,720.72
  4. Step 4: Simplify right side
    19,673.14x = 291,052,188.83
  5. Step 5: Solve for x
    x = 291,052,188.83/19,673.14
  6. Step 6: Final answer
    x = 14,794.39

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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.