Home / 14,378.60-21,570.08-4,516.96

Finding the Fourth Proportional to 14,378.60, 21,570.08 and 4,516.96

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Solution

The fourth proportional to 14,378.60, 21,570.08 and 4,516.96 is: 6,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.60 : 21,570.08 = 4,516.96 : x
  2. Step 2: Convert to fraction form
    14,378.60/21,570.08 = 4,516.96/x
  3. Step 3: Cross multiply
    14,378.60x = 21,570.08 × 4,516.96
  4. Step 4: Simplify right side
    14,378.60x = 97,431,092.00
  5. Step 5: Solve for x
    x = 97,431,092.00/14,378.60
  6. Step 6: Final answer
    x = 6,776.12

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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.