Home / 14,142.66-19,516.98-8,840.60

Finding the Fourth Proportional to 14,142.66, 19,516.98 and 8,840.60

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Solution

The fourth proportional to 14,142.66, 19,516.98 and 8,840.60 is: 12,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.66 : 19,516.98 = 8,840.60 : x
  2. Step 2: Convert to fraction form
    14,142.66/19,516.98 = 8,840.60/x
  3. Step 3: Cross multiply
    14,142.66x = 19,516.98 × 8,840.60
  4. Step 4: Simplify right side
    14,142.66x = 172,541,813.39
  5. Step 5: Solve for x
    x = 172,541,813.39/14,142.66
  6. Step 6: Final answer
    x = 12,200.10

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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.