Home / 14,268.40-21,400.98-5,502.58

Finding the Fourth Proportional to 14,268.40, 21,400.98 and 5,502.58

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Solution

The fourth proportional to 14,268.40, 21,400.98 and 5,502.58 is: 8,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.40 : 21,400.98 = 5,502.58 : x
  2. Step 2: Convert to fraction form
    14,268.40/21,400.98 = 5,502.58/x
  3. Step 3: Cross multiply
    14,268.40x = 21,400.98 × 5,502.58
  4. Step 4: Simplify right side
    14,268.40x = 117,760,604.53
  5. Step 5: Solve for x
    x = 117,760,604.53/14,268.40
  6. Step 6: Final answer
    x = 8,253.25

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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.