Home / 25,379.57-35,021.16-14,047.49

Finding the Fourth Proportional to 25,379.57, 35,021.16 and 14,047.49

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Solution

The fourth proportional to 25,379.57, 35,021.16 and 14,047.49 is: 19,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.57 : 35,021.16 = 14,047.49 : x
  2. Step 2: Convert to fraction form
    25,379.57/35,021.16 = 14,047.49/x
  3. Step 3: Cross multiply
    25,379.57x = 35,021.16 × 14,047.49
  4. Step 4: Simplify right side
    25,379.57x = 491,959,334.70
  5. Step 5: Solve for x
    x = 491,959,334.70/25,379.57
  6. Step 6: Final answer
    x = 19,384.07

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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.