Home / 14,392.89-19,862.13-8,019.56

Finding the Fourth Proportional to 14,392.89, 19,862.13 and 8,019.56

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Solution

The fourth proportional to 14,392.89, 19,862.13 and 8,019.56 is: 11,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.89 : 19,862.13 = 8,019.56 : x
  2. Step 2: Convert to fraction form
    14,392.89/19,862.13 = 8,019.56/x
  3. Step 3: Cross multiply
    14,392.89x = 19,862.13 × 8,019.56
  4. Step 4: Simplify right side
    14,392.89x = 159,285,443.95
  5. Step 5: Solve for x
    x = 159,285,443.95/14,392.89
  6. Step 6: Final answer
    x = 11,066.95

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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.