Home / 14,169.51-21,254.31-4,308.69

Finding the Fourth Proportional to 14,169.51, 21,254.31 and 4,308.69

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Solution

The fourth proportional to 14,169.51, 21,254.31 and 4,308.69 is: 6,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.51 : 21,254.31 = 4,308.69 : x
  2. Step 2: Convert to fraction form
    14,169.51/21,254.31 = 4,308.69/x
  3. Step 3: Cross multiply
    14,169.51x = 21,254.31 × 4,308.69
  4. Step 4: Simplify right side
    14,169.51x = 91,578,232.95
  5. Step 5: Solve for x
    x = 91,578,232.95/14,169.51
  6. Step 6: Final answer
    x = 6,463.05

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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.