Home / 14,248.13-19,662.41-7,960.50

Finding the Fourth Proportional to 14,248.13, 19,662.41 and 7,960.50

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Solution

The fourth proportional to 14,248.13, 19,662.41 and 7,960.50 is: 10,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.13 : 19,662.41 = 7,960.50 : x
  2. Step 2: Convert to fraction form
    14,248.13/19,662.41 = 7,960.50/x
  3. Step 3: Cross multiply
    14,248.13x = 19,662.41 × 7,960.50
  4. Step 4: Simplify right side
    14,248.13x = 156,522,634.71
  5. Step 5: Solve for x
    x = 156,522,634.71/14,248.13
  6. Step 6: Final answer
    x = 10,985.49

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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.