Home / 14,201.60-21,305.48-5,436.51

Finding the Fourth Proportional to 14,201.60, 21,305.48 and 5,436.51

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Solution

The fourth proportional to 14,201.60, 21,305.48 and 5,436.51 is: 8,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.60 : 21,305.48 = 5,436.51 : x
  2. Step 2: Convert to fraction form
    14,201.60/21,305.48 = 5,436.51/x
  3. Step 3: Cross multiply
    14,201.60x = 21,305.48 × 5,436.51
  4. Step 4: Simplify right side
    14,201.60x = 115,827,427.89
  5. Step 5: Solve for x
    x = 115,827,427.89/14,201.60
  6. Step 6: Final answer
    x = 8,155.95

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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.