Home / 19,649.88-27,116.72-10,697.36

Finding the Fourth Proportional to 19,649.88, 27,116.72 and 10,697.36

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Solution

The fourth proportional to 19,649.88, 27,116.72 and 10,697.36 is: 14,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.88 : 27,116.72 = 10,697.36 : x
  2. Step 2: Convert to fraction form
    19,649.88/27,116.72 = 10,697.36/x
  3. Step 3: Cross multiply
    19,649.88x = 27,116.72 × 10,697.36
  4. Step 4: Simplify right side
    19,649.88x = 290,077,315.86
  5. Step 5: Solve for x
    x = 290,077,315.86/19,649.88
  6. Step 6: Final answer
    x = 14,762.29

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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.