Home / 22,055.79-30,437.56-11,984.82

Finding the Fourth Proportional to 22,055.79, 30,437.56 and 11,984.82

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Solution

The fourth proportional to 22,055.79, 30,437.56 and 11,984.82 is: 16,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.79 : 30,437.56 = 11,984.82 : x
  2. Step 2: Convert to fraction form
    22,055.79/30,437.56 = 11,984.82/x
  3. Step 3: Cross multiply
    22,055.79x = 30,437.56 × 11,984.82
  4. Step 4: Simplify right side
    22,055.79x = 364,788,677.84
  5. Step 5: Solve for x
    x = 364,788,677.84/22,055.79
  6. Step 6: Final answer
    x = 16,539.36

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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.