Home / 14,269.08-19,688.10-8,961.96

Finding the Fourth Proportional to 14,269.08, 19,688.10 and 8,961.96

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Solution

The fourth proportional to 14,269.08, 19,688.10 and 8,961.96 is: 12,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.08 : 19,688.10 = 8,961.96 : x
  2. Step 2: Convert to fraction form
    14,269.08/19,688.10 = 8,961.96/x
  3. Step 3: Cross multiply
    14,269.08x = 19,688.10 × 8,961.96
  4. Step 4: Simplify right side
    14,269.08x = 176,443,964.68
  5. Step 5: Solve for x
    x = 176,443,964.68/14,269.08
  6. Step 6: Final answer
    x = 12,365.48

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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.