Home / 19,777.83-27,293.57-12,222.45

Finding the Fourth Proportional to 19,777.83, 27,293.57 and 12,222.45

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Solution

The fourth proportional to 19,777.83, 27,293.57 and 12,222.45 is: 16,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.83 : 27,293.57 = 12,222.45 : x
  2. Step 2: Convert to fraction form
    19,777.83/27,293.57 = 12,222.45/x
  3. Step 3: Cross multiply
    19,777.83x = 27,293.57 × 12,222.45
  4. Step 4: Simplify right side
    19,777.83x = 333,594,233.53
  5. Step 5: Solve for x
    x = 333,594,233.53/19,777.83
  6. Step 6: Final answer
    x = 16,867.08

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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.