Home / 19,013.92-26,238.12-10,515.52

Finding the Fourth Proportional to 19,013.92, 26,238.12 and 10,515.52

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Solution

The fourth proportional to 19,013.92, 26,238.12 and 10,515.52 is: 14,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.92 : 26,238.12 = 10,515.52 : x
  2. Step 2: Convert to fraction form
    19,013.92/26,238.12 = 10,515.52/x
  3. Step 3: Cross multiply
    19,013.92x = 26,238.12 × 10,515.52
  4. Step 4: Simplify right side
    19,013.92x = 275,907,475.62
  5. Step 5: Solve for x
    x = 275,907,475.62/19,013.92
  6. Step 6: Final answer
    x = 14,510.82

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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.