Home / 14,667.19-20,240.21-8,695.30

Finding the Fourth Proportional to 14,667.19, 20,240.21 and 8,695.30

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Solution

The fourth proportional to 14,667.19, 20,240.21 and 8,695.30 is: 11,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667.19 : 20,240.21 = 8,695.30 : x
  2. Step 2: Convert to fraction form
    14,667.19/20,240.21 = 8,695.30/x
  3. Step 3: Cross multiply
    14,667.19x = 20,240.21 × 8,695.30
  4. Step 4: Simplify right side
    14,667.19x = 175,994,698.01
  5. Step 5: Solve for x
    x = 175,994,698.01/14,667.19
  6. Step 6: Final answer
    x = 11,999.21

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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.