Home / 14,482.02-21,686.27-12,135.86

Finding the Fourth Proportional to 14,482.02, 21,686.27 and 12,135.86

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Solution

The fourth proportional to 14,482.02, 21,686.27 and 12,135.86 is: 18,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.02 : 21,686.27 = 12,135.86 : x
  2. Step 2: Convert to fraction form
    14,482.02/21,686.27 = 12,135.86/x
  3. Step 3: Cross multiply
    14,482.02x = 21,686.27 × 12,135.86
  4. Step 4: Simplify right side
    14,482.02x = 263,181,367.53
  5. Step 5: Solve for x
    x = 263,181,367.53/14,482.02
  6. Step 6: Final answer
    x = 18,172.97

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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.