Home / 14,168.72-19,508.32-12,039.76

Finding the Fourth Proportional to 14,168.72, 19,508.32 and 12,039.76

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Solution

The fourth proportional to 14,168.72, 19,508.32 and 12,039.76 is: 16,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.72 : 19,508.32 = 12,039.76 : x
  2. Step 2: Convert to fraction form
    14,168.72/19,508.32 = 12,039.76/x
  3. Step 3: Cross multiply
    14,168.72x = 19,508.32 × 12,039.76
  4. Step 4: Simplify right side
    14,168.72x = 234,875,490.80
  5. Step 5: Solve for x
    x = 234,875,490.80/14,168.72
  6. Step 6: Final answer
    x = 16,577.04

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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.