Home / 19,183.14-26,472.75-10,686.90

Finding the Fourth Proportional to 19,183.14, 26,472.75 and 10,686.90

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Solution

The fourth proportional to 19,183.14, 26,472.75 and 10,686.90 is: 14,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.14 : 26,472.75 = 10,686.90 : x
  2. Step 2: Convert to fraction form
    19,183.14/26,472.75 = 10,686.90/x
  3. Step 3: Cross multiply
    19,183.14x = 26,472.75 × 10,686.90
  4. Step 4: Simplify right side
    19,183.14x = 282,911,631.98
  5. Step 5: Solve for x
    x = 282,911,631.98/19,183.14
  6. Step 6: Final answer
    x = 14,747.93

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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.