Home / 14,787.37-20,403.52-8,498.53

Finding the Fourth Proportional to 14,787.37, 20,403.52 and 8,498.53

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Solution

The fourth proportional to 14,787.37, 20,403.52 and 8,498.53 is: 11,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.37 : 20,403.52 = 8,498.53 : x
  2. Step 2: Convert to fraction form
    14,787.37/20,403.52 = 8,498.53/x
  3. Step 3: Cross multiply
    14,787.37x = 20,403.52 × 8,498.53
  4. Step 4: Simplify right side
    14,787.37x = 173,399,926.83
  5. Step 5: Solve for x
    x = 173,399,926.83/14,787.37
  6. Step 6: Final answer
    x = 11,726.22

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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.