Home / 14,143.02-21,214.39-8,597.89

Finding the Fourth Proportional to 14,143.02, 21,214.39 and 8,597.89

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Solution

The fourth proportional to 14,143.02, 21,214.39 and 8,597.89 is: 12,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.02 : 21,214.39 = 8,597.89 : x
  2. Step 2: Convert to fraction form
    14,143.02/21,214.39 = 8,597.89/x
  3. Step 3: Cross multiply
    14,143.02x = 21,214.39 × 8,597.89
  4. Step 4: Simplify right side
    14,143.02x = 182,398,991.64
  5. Step 5: Solve for x
    x = 182,398,991.64/14,143.02
  6. Step 6: Final answer
    x = 12,896.75

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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.