Home / 14,822.10-22,276.35-12,921.30

Finding the Fourth Proportional to 14,822.10, 22,276.35 and 12,921.30

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Solution

The fourth proportional to 14,822.10, 22,276.35 and 12,921.30 is: 19,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,822.10 : 22,276.35 = 12,921.30 : x
  2. Step 2: Convert to fraction form
    14,822.10/22,276.35 = 12,921.30/x
  3. Step 3: Cross multiply
    14,822.10x = 22,276.35 × 12,921.30
  4. Step 4: Simplify right side
    14,822.10x = 287,839,401.26
  5. Step 5: Solve for x
    x = 287,839,401.26/14,822.10
  6. Step 6: Final answer
    x = 19,419.61

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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.