Home / 14,252.34-19,668.11-7,964.72

Finding the Fourth Proportional to 14,252.34, 19,668.11 and 7,964.72

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Solution

The fourth proportional to 14,252.34, 19,668.11 and 7,964.72 is: 10,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.34 : 19,668.11 = 7,964.72 : x
  2. Step 2: Convert to fraction form
    14,252.34/19,668.11 = 7,964.72/x
  3. Step 3: Cross multiply
    14,252.34x = 19,668.11 × 7,964.72
  4. Step 4: Simplify right side
    14,252.34x = 156,650,989.08
  5. Step 5: Solve for x
    x = 156,650,989.08/14,252.34
  6. Step 6: Final answer
    x = 10,991.25

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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.