Home / 14,421.99-21,616.01-6,515.27

Finding the Fourth Proportional to 14,421.99, 21,616.01 and 6,515.27

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Solution

The fourth proportional to 14,421.99, 21,616.01 and 6,515.27 is: 9,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.99 : 21,616.01 = 6,515.27 : x
  2. Step 2: Convert to fraction form
    14,421.99/21,616.01 = 6,515.27/x
  3. Step 3: Cross multiply
    14,421.99x = 21,616.01 × 6,515.27
  4. Step 4: Simplify right side
    14,421.99x = 140,834,141.47
  5. Step 5: Solve for x
    x = 140,834,141.47/14,421.99
  6. Step 6: Final answer
    x = 9,765.24

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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.