Home / 14,263.47-19,684.50-7,975.85

Finding the Fourth Proportional to 14,263.47, 19,684.50 and 7,975.85

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Solution

The fourth proportional to 14,263.47, 19,684.50 and 7,975.85 is: 11,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.47 : 19,684.50 = 7,975.85 : x
  2. Step 2: Convert to fraction form
    14,263.47/19,684.50 = 7,975.85/x
  3. Step 3: Cross multiply
    14,263.47x = 19,684.50 × 7,975.85
  4. Step 4: Simplify right side
    14,263.47x = 157,000,520.90
  5. Step 5: Solve for x
    x = 157,000,520.90/14,263.47
  6. Step 6: Final answer
    x = 11,007.18

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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.