Home / 14,215.98-19,627.74-9,192.36

Finding the Fourth Proportional to 14,215.98, 19,627.74 and 9,192.36

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Solution

The fourth proportional to 14,215.98, 19,627.74 and 9,192.36 is: 12,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.98 : 19,627.74 = 9,192.36 : x
  2. Step 2: Convert to fraction form
    14,215.98/19,627.74 = 9,192.36/x
  3. Step 3: Cross multiply
    14,215.98x = 19,627.74 × 9,192.36
  4. Step 4: Simplify right side
    14,215.98x = 180,425,252.07
  5. Step 5: Solve for x
    x = 180,425,252.07/14,215.98
  6. Step 6: Final answer
    x = 12,691.72

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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.