Home / 14,723.91-20,325.74-9,688.37

Finding the Fourth Proportional to 14,723.91, 20,325.74 and 9,688.37

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Solution

The fourth proportional to 14,723.91, 20,325.74 and 9,688.37 is: 13,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.91 : 20,325.74 = 9,688.37 : x
  2. Step 2: Convert to fraction form
    14,723.91/20,325.74 = 9,688.37/x
  3. Step 3: Cross multiply
    14,723.91x = 20,325.74 × 9,688.37
  4. Step 4: Simplify right side
    14,723.91x = 196,923,139.57
  5. Step 5: Solve for x
    x = 196,923,139.57/14,723.91
  6. Step 6: Final answer
    x = 13,374.38

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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.