Home / 19,649.86-27,116.80-10,697.43

Finding the Fourth Proportional to 19,649.86, 27,116.80 and 10,697.43

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Solution

The fourth proportional to 19,649.86, 27,116.80 and 10,697.43 is: 14,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.86 : 27,116.80 = 10,697.43 : x
  2. Step 2: Convert to fraction form
    19,649.86/27,116.80 = 10,697.43/x
  3. Step 3: Cross multiply
    19,649.86x = 27,116.80 × 10,697.43
  4. Step 4: Simplify right side
    19,649.86x = 290,079,934.24
  5. Step 5: Solve for x
    x = 290,079,934.24/19,649.86
  6. Step 6: Final answer
    x = 14,762.45

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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.