Home / 12,967.38-19,425.18-9,995.43

Finding the Fourth Proportional to 12,967.38, 19,425.18 and 9,995.43

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Solution

The fourth proportional to 12,967.38, 19,425.18 and 9,995.43 is: 14,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.38 : 19,425.18 = 9,995.43 : x
  2. Step 2: Convert to fraction form
    12,967.38/19,425.18 = 9,995.43/x
  3. Step 3: Cross multiply
    12,967.38x = 19,425.18 × 9,995.43
  4. Step 4: Simplify right side
    12,967.38x = 194,163,026.93
  5. Step 5: Solve for x
    x = 194,163,026.93/12,967.38
  6. Step 6: Final answer
    x = 14,973.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.