Home / 19,942.13-27,507.95-11,870.36

Finding the Fourth Proportional to 19,942.13, 27,507.95 and 11,870.36

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Solution

The fourth proportional to 19,942.13, 27,507.95 and 11,870.36 is: 16,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.13 : 27,507.95 = 11,870.36 : x
  2. Step 2: Convert to fraction form
    19,942.13/27,507.95 = 11,870.36/x
  3. Step 3: Cross multiply
    19,942.13x = 27,507.95 × 11,870.36
  4. Step 4: Simplify right side
    19,942.13x = 326,529,072.47
  5. Step 5: Solve for x
    x = 326,529,072.47/19,942.13
  6. Step 6: Final answer
    x = 16,373.84

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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.