Home / 19,650.11-27,117.15-10,697.68

Finding the Fourth Proportional to 19,650.11, 27,117.15 and 10,697.68

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Solution

The fourth proportional to 19,650.11, 27,117.15 and 10,697.68 is: 14,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.11 : 27,117.15 = 10,697.68 : x
  2. Step 2: Convert to fraction form
    19,650.11/27,117.15 = 10,697.68/x
  3. Step 3: Cross multiply
    19,650.11x = 27,117.15 × 10,697.68
  4. Step 4: Simplify right side
    19,650.11x = 290,090,593.21
  5. Step 5: Solve for x
    x = 290,090,593.21/19,650.11
  6. Step 6: Final answer
    x = 14,762.80

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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.