Home / 14,019.73-19,349.33-8,989.63

Finding the Fourth Proportional to 14,019.73, 19,349.33 and 8,989.63

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Solution

The fourth proportional to 14,019.73, 19,349.33 and 8,989.63 is: 12,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.73 : 19,349.33 = 8,989.63 : x
  2. Step 2: Convert to fraction form
    14,019.73/19,349.33 = 8,989.63/x
  3. Step 3: Cross multiply
    14,019.73x = 19,349.33 × 8,989.63
  4. Step 4: Simplify right side
    14,019.73x = 173,943,383.53
  5. Step 5: Solve for x
    x = 173,943,383.53/14,019.73
  6. Step 6: Final answer
    x = 12,407.04

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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.