Home / 13,231.96-19,855.98-4,910.68

Finding the Fourth Proportional to 13,231.96, 19,855.98 and 4,910.68

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Solution

The fourth proportional to 13,231.96, 19,855.98 and 4,910.68 is: 7,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.96 : 19,855.98 = 4,910.68 : x
  2. Step 2: Convert to fraction form
    13,231.96/19,855.98 = 4,910.68/x
  3. Step 3: Cross multiply
    13,231.96x = 19,855.98 × 4,910.68
  4. Step 4: Simplify right side
    13,231.96x = 97,506,363.87
  5. Step 5: Solve for x
    x = 97,506,363.87/13,231.96
  6. Step 6: Final answer
    x = 7,369.00

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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.