Home / 19,957.84-27,538.60-11,998.16

Finding the Fourth Proportional to 19,957.84, 27,538.60 and 11,998.16

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Solution

The fourth proportional to 19,957.84, 27,538.60 and 11,998.16 is: 16,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.84 : 27,538.60 = 11,998.16 : x
  2. Step 2: Convert to fraction form
    19,957.84/27,538.60 = 11,998.16/x
  3. Step 3: Cross multiply
    19,957.84x = 27,538.60 × 11,998.16
  4. Step 4: Simplify right side
    19,957.84x = 330,412,528.98
  5. Step 5: Solve for x
    x = 330,412,528.98/19,957.84
  6. Step 6: Final answer
    x = 16,555.53

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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.