Home / 14,977.40-22,468.80-6,213.20

Finding the Fourth Proportional to 14,977.40, 22,468.80 and 6,213.20

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Solution

The fourth proportional to 14,977.40, 22,468.80 and 6,213.20 is: 9,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.40 : 22,468.80 = 6,213.20 : x
  2. Step 2: Convert to fraction form
    14,977.40/22,468.80 = 6,213.20/x
  3. Step 3: Cross multiply
    14,977.40x = 22,468.80 × 6,213.20
  4. Step 4: Simplify right side
    14,977.40x = 139,603,148.16
  5. Step 5: Solve for x
    x = 139,603,148.16/14,977.40
  6. Step 6: Final answer
    x = 9,320.92

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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.