Home / 14,658.13-20,228.16-8,370.51

Finding the Fourth Proportional to 14,658.13, 20,228.16 and 8,370.51

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Solution

The fourth proportional to 14,658.13, 20,228.16 and 8,370.51 is: 11,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.13 : 20,228.16 = 8,370.51 : x
  2. Step 2: Convert to fraction form
    14,658.13/20,228.16 = 8,370.51/x
  3. Step 3: Cross multiply
    14,658.13x = 20,228.16 × 8,370.51
  4. Step 4: Simplify right side
    14,658.13x = 169,320,015.56
  5. Step 5: Solve for x
    x = 169,320,015.56/14,658.13
  6. Step 6: Final answer
    x = 11,551.27

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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.