Home / 14,118.48-19,480.20-9,084.36

Finding the Fourth Proportional to 14,118.48, 19,480.20 and 9,084.36

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Solution

The fourth proportional to 14,118.48, 19,480.20 and 9,084.36 is: 12,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.48 : 19,480.20 = 9,084.36 : x
  2. Step 2: Convert to fraction form
    14,118.48/19,480.20 = 9,084.36/x
  3. Step 3: Cross multiply
    14,118.48x = 19,480.20 × 9,084.36
  4. Step 4: Simplify right side
    14,118.48x = 176,965,149.67
  5. Step 5: Solve for x
    x = 176,965,149.67/14,118.48
  6. Step 6: Final answer
    x = 12,534.29

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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.