Home / 14,772.48-20,388.66-8,804.53

Finding the Fourth Proportional to 14,772.48, 20,388.66 and 8,804.53

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Solution

The fourth proportional to 14,772.48, 20,388.66 and 8,804.53 is: 12,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.48 : 20,388.66 = 8,804.53 : x
  2. Step 2: Convert to fraction form
    14,772.48/20,388.66 = 8,804.53/x
  3. Step 3: Cross multiply
    14,772.48x = 20,388.66 × 8,804.53
  4. Step 4: Simplify right side
    14,772.48x = 179,512,568.63
  5. Step 5: Solve for x
    x = 179,512,568.63/14,772.48
  6. Step 6: Final answer
    x = 12,151.82

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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.