Home / 14,567.31-21,854.21-4,178.25

Finding the Fourth Proportional to 14,567.31, 21,854.21 and 4,178.25

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Solution

The fourth proportional to 14,567.31, 21,854.21 and 4,178.25 is: 6,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.31 : 21,854.21 = 4,178.25 : x
  2. Step 2: Convert to fraction form
    14,567.31/21,854.21 = 4,178.25/x
  3. Step 3: Cross multiply
    14,567.31x = 21,854.21 × 4,178.25
  4. Step 4: Simplify right side
    14,567.31x = 91,312,332.04
  5. Step 5: Solve for x
    x = 91,312,332.04/14,567.31
  6. Step 6: Final answer
    x = 6,268.30

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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.