Home / 14,148.12-19,517.04-8,402.22

Finding the Fourth Proportional to 14,148.12, 19,517.04 and 8,402.22

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Solution

The fourth proportional to 14,148.12, 19,517.04 and 8,402.22 is: 11,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.12 : 19,517.04 = 8,402.22 : x
  2. Step 2: Convert to fraction form
    14,148.12/19,517.04 = 8,402.22/x
  3. Step 3: Cross multiply
    14,148.12x = 19,517.04 × 8,402.22
  4. Step 4: Simplify right side
    14,148.12x = 163,986,463.83
  5. Step 5: Solve for x
    x = 163,986,463.83/14,148.12
  6. Step 6: Final answer
    x = 11,590.69

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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.