Home / 19,835.11-27,373.71-13,108.94

Finding the Fourth Proportional to 19,835.11, 27,373.71 and 13,108.94

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Solution

The fourth proportional to 19,835.11, 27,373.71 and 13,108.94 is: 18,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.11 : 27,373.71 = 13,108.94 : x
  2. Step 2: Convert to fraction form
    19,835.11/27,373.71 = 13,108.94/x
  3. Step 3: Cross multiply
    19,835.11x = 27,373.71 × 13,108.94
  4. Step 4: Simplify right side
    19,835.11x = 358,840,336.91
  5. Step 5: Solve for x
    x = 358,840,336.91/19,835.11
  6. Step 6: Final answer
    x = 18,091.17

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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.