Home / 14,247.74-19,662.28-7,960.52

Finding the Fourth Proportional to 14,247.74, 19,662.28 and 7,960.52

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Solution

The fourth proportional to 14,247.74, 19,662.28 and 7,960.52 is: 10,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.74 : 19,662.28 = 7,960.52 : x
  2. Step 2: Convert to fraction form
    14,247.74/19,662.28 = 7,960.52/x
  3. Step 3: Cross multiply
    14,247.74x = 19,662.28 × 7,960.52
  4. Step 4: Simplify right side
    14,247.74x = 156,521,973.19
  5. Step 5: Solve for x
    x = 156,521,973.19/14,247.74
  6. Step 6: Final answer
    x = 10,985.74

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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.