Home / 14,775.45-20,397.66-11,410.71

Finding the Fourth Proportional to 14,775.45, 20,397.66 and 11,410.71

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Solution

The fourth proportional to 14,775.45, 20,397.66 and 11,410.71 is: 15,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.45 : 20,397.66 = 11,410.71 : x
  2. Step 2: Convert to fraction form
    14,775.45/20,397.66 = 11,410.71/x
  3. Step 3: Cross multiply
    14,775.45x = 20,397.66 × 11,410.71
  4. Step 4: Simplify right side
    14,775.45x = 232,751,782.94
  5. Step 5: Solve for x
    x = 232,751,782.94/14,775.45
  6. Step 6: Final answer
    x = 15,752.60

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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.