Home / 14,178.74-21,268.04-4,317.66

Finding the Fourth Proportional to 14,178.74, 21,268.04 and 4,317.66

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Solution

The fourth proportional to 14,178.74, 21,268.04 and 4,317.66 is: 6,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.74 : 21,268.04 = 4,317.66 : x
  2. Step 2: Convert to fraction form
    14,178.74/21,268.04 = 4,317.66/x
  3. Step 3: Cross multiply
    14,178.74x = 21,268.04 × 4,317.66
  4. Step 4: Simplify right side
    14,178.74x = 91,828,144.00
  5. Step 5: Solve for x
    x = 91,828,144.00/14,178.74
  6. Step 6: Final answer
    x = 6,476.47

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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.