Home / 25,826.47-35,626.98-21,323.95

Finding the Fourth Proportional to 25,826.47, 35,626.98 and 21,323.95

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Solution

The fourth proportional to 25,826.47, 35,626.98 and 21,323.95 is: 29,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.47 : 35,626.98 = 21,323.95 : x
  2. Step 2: Convert to fraction form
    25,826.47/35,626.98 = 21,323.95/x
  3. Step 3: Cross multiply
    25,826.47x = 35,626.98 × 21,323.95
  4. Step 4: Simplify right side
    25,826.47x = 759,707,940.17
  5. Step 5: Solve for x
    x = 759,707,940.17/25,826.47
  6. Step 6: Final answer
    x = 29,415.86

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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.