Home / 23,921.58-35,858.95-8,917.72

Finding the Fourth Proportional to 23,921.58, 35,858.95 and 8,917.72

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Solution

The fourth proportional to 23,921.58, 35,858.95 and 8,917.72 is: 13,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,921.58 : 35,858.95 = 8,917.72 : x
  2. Step 2: Convert to fraction form
    23,921.58/35,858.95 = 8,917.72/x
  3. Step 3: Cross multiply
    23,921.58x = 35,858.95 × 8,917.72
  4. Step 4: Simplify right side
    23,921.58x = 319,780,075.59
  5. Step 5: Solve for x
    x = 319,780,075.59/23,921.58
  6. Step 6: Final answer
    x = 13,367.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.