Home / 14,226.90-19,634.21-7,854.72

Finding the Fourth Proportional to 14,226.90, 19,634.21 and 7,854.72

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Solution

The fourth proportional to 14,226.90, 19,634.21 and 7,854.72 is: 10,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.90 : 19,634.21 = 7,854.72 : x
  2. Step 2: Convert to fraction form
    14,226.90/19,634.21 = 7,854.72/x
  3. Step 3: Cross multiply
    14,226.90x = 19,634.21 × 7,854.72
  4. Step 4: Simplify right side
    14,226.90x = 154,221,221.97
  5. Step 5: Solve for x
    x = 154,221,221.97/14,226.90
  6. Step 6: Final answer
    x = 10,840.11

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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.