Home / 14,515.68-21,772.28-4,652.30

Finding the Fourth Proportional to 14,515.68, 21,772.28 and 4,652.30

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Solution

The fourth proportional to 14,515.68, 21,772.28 and 4,652.30 is: 6,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.68 : 21,772.28 = 4,652.30 : x
  2. Step 2: Convert to fraction form
    14,515.68/21,772.28 = 4,652.30/x
  3. Step 3: Cross multiply
    14,515.68x = 21,772.28 × 4,652.30
  4. Step 4: Simplify right side
    14,515.68x = 101,291,178.24
  5. Step 5: Solve for x
    x = 101,291,178.24/14,515.68
  6. Step 6: Final answer
    x = 6,978.05

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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.