Home / 14,771.79-22,150-13,087.46

Finding the Fourth Proportional to 14,771.79, 22,150 and 13,087.46

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Solution

The fourth proportional to 14,771.79, 22,150 and 13,087.46 is: 19,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.79 : 22,150 = 13,087.46 : x
  2. Step 2: Convert to fraction form
    14,771.79/22,150 = 13,087.46/x
  3. Step 3: Cross multiply
    14,771.79x = 22,150 × 13,087.46
  4. Step 4: Simplify right side
    14,771.79x = 289,887,239
  5. Step 5: Solve for x
    x = 289,887,239/14,771.79
  6. Step 6: Final answer
    x = 19,624.38

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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.