Home / 18,935.58-26,125.83-10,976.22

Finding the Fourth Proportional to 18,935.58, 26,125.83 and 10,976.22

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Solution

The fourth proportional to 18,935.58, 26,125.83 and 10,976.22 is: 15,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.58 : 26,125.83 = 10,976.22 : x
  2. Step 2: Convert to fraction form
    18,935.58/26,125.83 = 10,976.22/x
  3. Step 3: Cross multiply
    18,935.58x = 26,125.83 × 10,976.22
  4. Step 4: Simplify right side
    18,935.58x = 286,762,857.76
  5. Step 5: Solve for x
    x = 286,762,857.76/18,935.58
  6. Step 6: Final answer
    x = 15,144.13

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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.