Home / 14,245.02-21,369.56-4,385.12

Finding the Fourth Proportional to 14,245.02, 21,369.56 and 4,385.12

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Solution

The fourth proportional to 14,245.02, 21,369.56 and 4,385.12 is: 6,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.02 : 21,369.56 = 4,385.12 : x
  2. Step 2: Convert to fraction form
    14,245.02/21,369.56 = 4,385.12/x
  3. Step 3: Cross multiply
    14,245.02x = 21,369.56 × 4,385.12
  4. Step 4: Simplify right side
    14,245.02x = 93,707,956.17
  5. Step 5: Solve for x
    x = 93,707,956.17/14,245.02
  6. Step 6: Final answer
    x = 6,578.30

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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.