Home / 18,356.85-25,296.17-13,036.77

Finding the Fourth Proportional to 18,356.85, 25,296.17 and 13,036.77

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Solution

The fourth proportional to 18,356.85, 25,296.17 and 13,036.77 is: 17,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.85 : 25,296.17 = 13,036.77 : x
  2. Step 2: Convert to fraction form
    18,356.85/25,296.17 = 13,036.77/x
  3. Step 3: Cross multiply
    18,356.85x = 25,296.17 × 13,036.77
  4. Step 4: Simplify right side
    18,356.85x = 329,780,284.99
  5. Step 5: Solve for x
    x = 329,780,284.99/18,356.85
  6. Step 6: Final answer
    x = 17,964.97

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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.