Home / 20,263.93-27,977.04-13,901.17

Finding the Fourth Proportional to 20,263.93, 27,977.04 and 13,901.17

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Solution

The fourth proportional to 20,263.93, 27,977.04 and 13,901.17 is: 19,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.93 : 27,977.04 = 13,901.17 : x
  2. Step 2: Convert to fraction form
    20,263.93/27,977.04 = 13,901.17/x
  3. Step 3: Cross multiply
    20,263.93x = 27,977.04 × 13,901.17
  4. Step 4: Simplify right side
    20,263.93x = 388,913,589.14
  5. Step 5: Solve for x
    x = 388,913,589.14/20,263.93
  6. Step 6: Final answer
    x = 19,192.41

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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.