Home / 14,205.53-19,605.51-8,158.16

Finding the Fourth Proportional to 14,205.53, 19,605.51 and 8,158.16

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Solution

The fourth proportional to 14,205.53, 19,605.51 and 8,158.16 is: 11,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.53 : 19,605.51 = 8,158.16 : x
  2. Step 2: Convert to fraction form
    14,205.53/19,605.51 = 8,158.16/x
  3. Step 3: Cross multiply
    14,205.53x = 19,605.51 × 8,158.16
  4. Step 4: Simplify right side
    14,205.53x = 159,944,789.43
  5. Step 5: Solve for x
    x = 159,944,789.43/14,205.53
  6. Step 6: Final answer
    x = 11,259.34

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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.