Home / 14,631.72-21,948.14-4,771.08

Finding the Fourth Proportional to 14,631.72, 21,948.14 and 4,771.08

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Solution

The fourth proportional to 14,631.72, 21,948.14 and 4,771.08 is: 7,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.72 : 21,948.14 = 4,771.08 : x
  2. Step 2: Convert to fraction form
    14,631.72/21,948.14 = 4,771.08/x
  3. Step 3: Cross multiply
    14,631.72x = 21,948.14 × 4,771.08
  4. Step 4: Simplify right side
    14,631.72x = 104,716,331.79
  5. Step 5: Solve for x
    x = 104,716,331.79/14,631.72
  6. Step 6: Final answer
    x = 7,156.80

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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.