Home / 18,240.39-27,341.46-10,332.99

Finding the Fourth Proportional to 18,240.39, 27,341.46 and 10,332.99

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Solution

The fourth proportional to 18,240.39, 27,341.46 and 10,332.99 is: 15,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.39 : 27,341.46 = 10,332.99 : x
  2. Step 2: Convert to fraction form
    18,240.39/27,341.46 = 10,332.99/x
  3. Step 3: Cross multiply
    18,240.39x = 27,341.46 × 10,332.99
  4. Step 4: Simplify right side
    18,240.39x = 282,519,032.77
  5. Step 5: Solve for x
    x = 282,519,032.77/18,240.39
  6. Step 6: Final answer
    x = 15,488.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.