Home / 25,826.99-35,634.67-15,754.77

Finding the Fourth Proportional to 25,826.99, 35,634.67 and 15,754.77

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Solution

The fourth proportional to 25,826.99, 35,634.67 and 15,754.77 is: 21,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.99 : 35,634.67 = 15,754.77 : x
  2. Step 2: Convert to fraction form
    25,826.99/35,634.67 = 15,754.77/x
  3. Step 3: Cross multiply
    25,826.99x = 35,634.67 × 15,754.77
  4. Step 4: Simplify right side
    25,826.99x = 561,415,990.49
  5. Step 5: Solve for x
    x = 561,415,990.49/25,826.99
  6. Step 6: Final answer
    x = 21,737.57

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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.