Home / 14,019.48-19,350.60-8,281.96

Finding the Fourth Proportional to 14,019.48, 19,350.60 and 8,281.96

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Solution

The fourth proportional to 14,019.48, 19,350.60 and 8,281.96 is: 11,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.48 : 19,350.60 = 8,281.96 : x
  2. Step 2: Convert to fraction form
    14,019.48/19,350.60 = 8,281.96/x
  3. Step 3: Cross multiply
    14,019.48x = 19,350.60 × 8,281.96
  4. Step 4: Simplify right side
    14,019.48x = 160,260,895.18
  5. Step 5: Solve for x
    x = 160,260,895.18/14,019.48
  6. Step 6: Final answer
    x = 11,431.30

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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.