Home / 18,785.70-25,896.60-14,301.62

Finding the Fourth Proportional to 18,785.70, 25,896.60 and 14,301.62

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Solution

The fourth proportional to 18,785.70, 25,896.60 and 14,301.62 is: 19,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.70 : 25,896.60 = 14,301.62 : x
  2. Step 2: Convert to fraction form
    18,785.70/25,896.60 = 14,301.62/x
  3. Step 3: Cross multiply
    18,785.70x = 25,896.60 × 14,301.62
  4. Step 4: Simplify right side
    18,785.70x = 370,363,332.49
  5. Step 5: Solve for x
    x = 370,363,332.49/18,785.70
  6. Step 6: Final answer
    x = 19,715.17

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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.