Home / 14,389.29-21,567.10-5,498.80

Finding the Fourth Proportional to 14,389.29, 21,567.10 and 5,498.80

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Solution

The fourth proportional to 14,389.29, 21,567.10 and 5,498.80 is: 8,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.29 : 21,567.10 = 5,498.80 : x
  2. Step 2: Convert to fraction form
    14,389.29/21,567.10 = 5,498.80/x
  3. Step 3: Cross multiply
    14,389.29x = 21,567.10 × 5,498.80
  4. Step 4: Simplify right side
    14,389.29x = 118,593,155.73
  5. Step 5: Solve for x
    x = 118,593,155.73/14,389.29
  6. Step 6: Final answer
    x = 8,241.76

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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.