Home / 22,208.96-30,649.28-12,777.52

Finding the Fourth Proportional to 22,208.96, 30,649.28 and 12,777.52

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Solution

The fourth proportional to 22,208.96, 30,649.28 and 12,777.52 is: 17,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.96 : 30,649.28 = 12,777.52 : x
  2. Step 2: Convert to fraction form
    22,208.96/30,649.28 = 12,777.52/x
  3. Step 3: Cross multiply
    22,208.96x = 30,649.28 × 12,777.52
  4. Step 4: Simplify right side
    22,208.96x = 391,621,788.19
  5. Step 5: Solve for x
    x = 391,621,788.19/22,208.96
  6. Step 6: Final answer
    x = 17,633.50

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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.