Home / 20,158.88-27,804.12-14,192.24

Finding the Fourth Proportional to 20,158.88, 27,804.12 and 14,192.24

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Solution

The fourth proportional to 20,158.88, 27,804.12 and 14,192.24 is: 19,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.88 : 27,804.12 = 14,192.24 : x
  2. Step 2: Convert to fraction form
    20,158.88/27,804.12 = 14,192.24/x
  3. Step 3: Cross multiply
    20,158.88x = 27,804.12 × 14,192.24
  4. Step 4: Simplify right side
    20,158.88x = 394,602,744.03
  5. Step 5: Solve for x
    x = 394,602,744.03/20,158.88
  6. Step 6: Final answer
    x = 19,574.64

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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.