Home / 18,853.11-28,277.06-10,435.23

Finding the Fourth Proportional to 18,853.11, 28,277.06 and 10,435.23

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Solution

The fourth proportional to 18,853.11, 28,277.06 and 10,435.23 is: 15,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.11 : 28,277.06 = 10,435.23 : x
  2. Step 2: Convert to fraction form
    18,853.11/28,277.06 = 10,435.23/x
  3. Step 3: Cross multiply
    18,853.11x = 28,277.06 × 10,435.23
  4. Step 4: Simplify right side
    18,853.11x = 295,077,572.65
  5. Step 5: Solve for x
    x = 295,077,572.65/18,853.11
  6. Step 6: Final answer
    x = 15,651.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.