Home / 25,478.87-35,161.73-14,148.56

Finding the Fourth Proportional to 25,478.87, 35,161.73 and 14,148.56

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Solution

The fourth proportional to 25,478.87, 35,161.73 and 14,148.56 is: 19,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.87 : 35,161.73 = 14,148.56 : x
  2. Step 2: Convert to fraction form
    25,478.87/35,161.73 = 14,148.56/x
  3. Step 3: Cross multiply
    25,478.87x = 35,161.73 × 14,148.56
  4. Step 4: Simplify right side
    25,478.87x = 497,487,846.61
  5. Step 5: Solve for x
    x = 497,487,846.61/25,478.87
  6. Step 6: Final answer
    x = 19,525.51

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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.