Home / 14,315.92-19,756.14-7,942.63

Finding the Fourth Proportional to 14,315.92, 19,756.14 and 7,942.63

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Solution

The fourth proportional to 14,315.92, 19,756.14 and 7,942.63 is: 10,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.92 : 19,756.14 = 7,942.63 : x
  2. Step 2: Convert to fraction form
    14,315.92/19,756.14 = 7,942.63/x
  3. Step 3: Cross multiply
    14,315.92x = 19,756.14 × 7,942.63
  4. Step 4: Simplify right side
    14,315.92x = 156,915,710.25
  5. Step 5: Solve for x
    x = 156,915,710.25/14,315.92
  6. Step 6: Final answer
    x = 10,960.92

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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.