Home / 19,013.20-26,238.13-10,629.70

Finding the Fourth Proportional to 19,013.20, 26,238.13 and 10,629.70

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Solution

The fourth proportional to 19,013.20, 26,238.13 and 10,629.70 is: 14,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.20 : 26,238.13 = 10,629.70 : x
  2. Step 2: Convert to fraction form
    19,013.20/26,238.13 = 10,629.70/x
  3. Step 3: Cross multiply
    19,013.20x = 26,238.13 × 10,629.70
  4. Step 4: Simplify right side
    19,013.20x = 278,903,358.29
  5. Step 5: Solve for x
    x = 278,903,358.29/19,013.20
  6. Step 6: Final answer
    x = 14,668.94

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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.