Home / 14,024.10-21,011.85-12,080.10

Finding the Fourth Proportional to 14,024.10, 21,011.85 and 12,080.10

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Solution

The fourth proportional to 14,024.10, 21,011.85 and 12,080.10 is: 18,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,024.10 : 21,011.85 = 12,080.10 : x
  2. Step 2: Convert to fraction form
    14,024.10/21,011.85 = 12,080.10/x
  3. Step 3: Cross multiply
    14,024.10x = 21,011.85 × 12,080.10
  4. Step 4: Simplify right side
    14,024.10x = 253,825,249.19
  5. Step 5: Solve for x
    x = 253,825,249.19/14,024.10
  6. Step 6: Final answer
    x = 18,099.22

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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.