Home / 19,649.74-27,117.21-10,697.39

Finding the Fourth Proportional to 19,649.74, 27,117.21 and 10,697.39

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Solution

The fourth proportional to 19,649.74, 27,117.21 and 10,697.39 is: 14,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.74 : 27,117.21 = 10,697.39 : x
  2. Step 2: Convert to fraction form
    19,649.74/27,117.21 = 10,697.39/x
  3. Step 3: Cross multiply
    19,649.74x = 27,117.21 × 10,697.39
  4. Step 4: Simplify right side
    19,649.74x = 290,083,363.31
  5. Step 5: Solve for x
    x = 290,083,363.31/19,649.74
  6. Step 6: Final answer
    x = 14,762.71

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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.