Home / 14,025.57-21,032.88-5,255.70

Finding the Fourth Proportional to 14,025.57, 21,032.88 and 5,255.70

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Solution

The fourth proportional to 14,025.57, 21,032.88 and 5,255.70 is: 7,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.57 : 21,032.88 = 5,255.70 : x
  2. Step 2: Convert to fraction form
    14,025.57/21,032.88 = 5,255.70/x
  3. Step 3: Cross multiply
    14,025.57x = 21,032.88 × 5,255.70
  4. Step 4: Simplify right side
    14,025.57x = 110,542,507.42
  5. Step 5: Solve for x
    x = 110,542,507.42/14,025.57
  6. Step 6: Final answer
    x = 7,881.50

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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.