Home / 25,349.21-34,984.39-14,021.36

Finding the Fourth Proportional to 25,349.21, 34,984.39 and 14,021.36

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Solution

The fourth proportional to 25,349.21, 34,984.39 and 14,021.36 is: 19,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.21 : 34,984.39 = 14,021.36 : x
  2. Step 2: Convert to fraction form
    25,349.21/34,984.39 = 14,021.36/x
  3. Step 3: Cross multiply
    25,349.21x = 34,984.39 × 14,021.36
  4. Step 4: Simplify right side
    25,349.21x = 490,528,551.65
  5. Step 5: Solve for x
    x = 490,528,551.65/25,349.21
  6. Step 6: Final answer
    x = 19,350.85

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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.