Home / 14,730.62-20,322.45-10,911.56

Finding the Fourth Proportional to 14,730.62, 20,322.45 and 10,911.56

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Solution

The fourth proportional to 14,730.62, 20,322.45 and 10,911.56 is: 15,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.62 : 20,322.45 = 10,911.56 : x
  2. Step 2: Convert to fraction form
    14,730.62/20,322.45 = 10,911.56/x
  3. Step 3: Cross multiply
    14,730.62x = 20,322.45 × 10,911.56
  4. Step 4: Simplify right side
    14,730.62x = 221,749,683.33
  5. Step 5: Solve for x
    x = 221,749,683.33/14,730.62
  6. Step 6: Final answer
    x = 15,053.65

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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.