Home / 25,471.49-35,148.89-14,140.09

Finding the Fourth Proportional to 25,471.49, 35,148.89 and 14,140.09

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Solution

The fourth proportional to 25,471.49, 35,148.89 and 14,140.09 is: 19,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.49 : 35,148.89 = 14,140.09 : x
  2. Step 2: Convert to fraction form
    25,471.49/35,148.89 = 14,140.09/x
  3. Step 3: Cross multiply
    25,471.49x = 35,148.89 × 14,140.09
  4. Step 4: Simplify right side
    25,471.49x = 497,008,221.56
  5. Step 5: Solve for x
    x = 497,008,221.56/25,471.49
  6. Step 6: Final answer
    x = 19,512.34

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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.