Home / 19,473.10-26,872.87-10,520.61

Finding the Fourth Proportional to 19,473.10, 26,872.87 and 10,520.61

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Solution

The fourth proportional to 19,473.10, 26,872.87 and 10,520.61 is: 14,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.10 : 26,872.87 = 10,520.61 : x
  2. Step 2: Convert to fraction form
    19,473.10/26,872.87 = 10,520.61/x
  3. Step 3: Cross multiply
    19,473.10x = 26,872.87 × 10,520.61
  4. Step 4: Simplify right side
    19,473.10x = 282,718,984.85
  5. Step 5: Solve for x
    x = 282,718,984.85/19,473.10
  6. Step 6: Final answer
    x = 14,518.44

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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.