Home / 14,186.07-21,280.29-4,325.42

Finding the Fourth Proportional to 14,186.07, 21,280.29 and 4,325.42

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Solution

The fourth proportional to 14,186.07, 21,280.29 and 4,325.42 is: 6,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.07 : 21,280.29 = 4,325.42 : x
  2. Step 2: Convert to fraction form
    14,186.07/21,280.29 = 4,325.42/x
  3. Step 3: Cross multiply
    14,186.07x = 21,280.29 × 4,325.42
  4. Step 4: Simplify right side
    14,186.07x = 92,046,191.97
  5. Step 5: Solve for x
    x = 92,046,191.97/14,186.07
  6. Step 6: Final answer
    x = 6,488.49

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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.