Home / 14,027.40-19,370.21-8,731.22

Finding the Fourth Proportional to 14,027.40, 19,370.21 and 8,731.22

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Solution

The fourth proportional to 14,027.40, 19,370.21 and 8,731.22 is: 12,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.40 : 19,370.21 = 8,731.22 : x
  2. Step 2: Convert to fraction form
    14,027.40/19,370.21 = 8,731.22/x
  3. Step 3: Cross multiply
    14,027.40x = 19,370.21 × 8,731.22
  4. Step 4: Simplify right side
    14,027.40x = 169,125,424.45
  5. Step 5: Solve for x
    x = 169,125,424.45/14,027.40
  6. Step 6: Final answer
    x = 12,056.79

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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.