Home / 14,840.89-20,482.74-8,467.47

Finding the Fourth Proportional to 14,840.89, 20,482.74 and 8,467.47

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Solution

The fourth proportional to 14,840.89, 20,482.74 and 8,467.47 is: 11,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.89 : 20,482.74 = 8,467.47 : x
  2. Step 2: Convert to fraction form
    14,840.89/20,482.74 = 8,467.47/x
  3. Step 3: Cross multiply
    14,840.89x = 20,482.74 × 8,467.47
  4. Step 4: Simplify right side
    14,840.89x = 173,436,986.47
  5. Step 5: Solve for x
    x = 173,436,986.47/14,840.89
  6. Step 6: Final answer
    x = 11,686.43

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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.