Home / 19,182.62-28,763.51-10,308.57

Finding the Fourth Proportional to 19,182.62, 28,763.51 and 10,308.57

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Solution

The fourth proportional to 19,182.62, 28,763.51 and 10,308.57 is: 15,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.62 : 28,763.51 = 10,308.57 : x
  2. Step 2: Convert to fraction form
    19,182.62/28,763.51 = 10,308.57/x
  3. Step 3: Cross multiply
    19,182.62x = 28,763.51 × 10,308.57
  4. Step 4: Simplify right side
    19,182.62x = 296,510,496.87
  5. Step 5: Solve for x
    x = 296,510,496.87/19,182.62
  6. Step 6: Final answer
    x = 15,457.25

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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.