Home / 13,081.42-19,623.75-4,313.98

Finding the Fourth Proportional to 13,081.42, 19,623.75 and 4,313.98

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Solution

The fourth proportional to 13,081.42, 19,623.75 and 4,313.98 is: 6,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.42 : 19,623.75 = 4,313.98 : x
  2. Step 2: Convert to fraction form
    13,081.42/19,623.75 = 4,313.98/x
  3. Step 3: Cross multiply
    13,081.42x = 19,623.75 × 4,313.98
  4. Step 4: Simplify right side
    13,081.42x = 84,656,465.03
  5. Step 5: Solve for x
    x = 84,656,465.03/13,081.42
  6. Step 6: Final answer
    x = 6,471.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.