Home / 14,247.92-19,667.61-12,753.20

Finding the Fourth Proportional to 14,247.92, 19,667.61 and 12,753.20

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Solution

The fourth proportional to 14,247.92, 19,667.61 and 12,753.20 is: 17,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.92 : 19,667.61 = 12,753.20 : x
  2. Step 2: Convert to fraction form
    14,247.92/19,667.61 = 12,753.20/x
  3. Step 3: Cross multiply
    14,247.92x = 19,667.61 × 12,753.20
  4. Step 4: Simplify right side
    14,247.92x = 250,824,865.51
  5. Step 5: Solve for x
    x = 250,824,865.51/14,247.92
  6. Step 6: Final answer
    x = 17,604.32

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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.