Home / 14,470.55-19,958.09-9,688.97

Finding the Fourth Proportional to 14,470.55, 19,958.09 and 9,688.97

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Solution

The fourth proportional to 14,470.55, 19,958.09 and 9,688.97 is: 13,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.55 : 19,958.09 = 9,688.97 : x
  2. Step 2: Convert to fraction form
    14,470.55/19,958.09 = 9,688.97/x
  3. Step 3: Cross multiply
    14,470.55x = 19,958.09 × 9,688.97
  4. Step 4: Simplify right side
    14,470.55x = 193,373,336.72
  5. Step 5: Solve for x
    x = 193,373,336.72/14,470.55
  6. Step 6: Final answer
    x = 13,363.24

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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.