Home / 25,349.70-34,985.08-14,021.85

Finding the Fourth Proportional to 25,349.70, 34,985.08 and 14,021.85

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Solution

The fourth proportional to 25,349.70, 34,985.08 and 14,021.85 is: 19,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.70 : 34,985.08 = 14,021.85 : x
  2. Step 2: Convert to fraction form
    25,349.70/34,985.08 = 14,021.85/x
  3. Step 3: Cross multiply
    25,349.70x = 34,985.08 × 14,021.85
  4. Step 4: Simplify right side
    25,349.70x = 490,555,544.00
  5. Step 5: Solve for x
    x = 490,555,544.00/25,349.70
  6. Step 6: Final answer
    x = 19,351.53

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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.