Home / 19,120.05-26,386.00-10,622.95

Finding the Fourth Proportional to 19,120.05, 26,386.00 and 10,622.95

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Solution

The fourth proportional to 19,120.05, 26,386.00 and 10,622.95 is: 14,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.05 : 26,386.00 = 10,622.95 : x
  2. Step 2: Convert to fraction form
    19,120.05/26,386.00 = 10,622.95/x
  3. Step 3: Cross multiply
    19,120.05x = 26,386.00 × 10,622.95
  4. Step 4: Simplify right side
    19,120.05x = 280,297,125.93
  5. Step 5: Solve for x
    x = 280,297,125.93/19,120.05
  6. Step 6: Final answer
    x = 14,659.85

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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.