Home / 14,775.45-22,154.86-4,909.47

Finding the Fourth Proportional to 14,775.45, 22,154.86 and 4,909.47

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Solution

The fourth proportional to 14,775.45, 22,154.86 and 4,909.47 is: 7,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.45 : 22,154.86 = 4,909.47 : x
  2. Step 2: Convert to fraction form
    14,775.45/22,154.86 = 4,909.47/x
  3. Step 3: Cross multiply
    14,775.45x = 22,154.86 × 4,909.47
  4. Step 4: Simplify right side
    14,775.45x = 108,768,620.52
  5. Step 5: Solve for x
    x = 108,768,620.52/14,775.45
  6. Step 6: Final answer
    x = 7,361.44

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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.