Home / 14,218.67-19,622.15-7,845.35

Finding the Fourth Proportional to 14,218.67, 19,622.15 and 7,845.35

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Solution

The fourth proportional to 14,218.67, 19,622.15 and 7,845.35 is: 10,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.67 : 19,622.15 = 7,845.35 : x
  2. Step 2: Convert to fraction form
    14,218.67/19,622.15 = 7,845.35/x
  3. Step 3: Cross multiply
    14,218.67x = 19,622.15 × 7,845.35
  4. Step 4: Simplify right side
    14,218.67x = 153,942,497.17
  5. Step 5: Solve for x
    x = 153,942,497.17/14,218.67
  6. Step 6: Final answer
    x = 10,826.79

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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.