Home / 19,605.16-27,053.22-11,220.04

Finding the Fourth Proportional to 19,605.16, 27,053.22 and 11,220.04

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Solution

The fourth proportional to 19,605.16, 27,053.22 and 11,220.04 is: 15,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.16 : 27,053.22 = 11,220.04 : x
  2. Step 2: Convert to fraction form
    19,605.16/27,053.22 = 11,220.04/x
  3. Step 3: Cross multiply
    19,605.16x = 27,053.22 × 11,220.04
  4. Step 4: Simplify right side
    19,605.16x = 303,538,210.53
  5. Step 5: Solve for x
    x = 303,538,210.53/19,605.16
  6. Step 6: Final answer
    x = 15,482.57

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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.