Home / 17,780.91-24,516.84-12,119.01

Finding the Fourth Proportional to 17,780.91, 24,516.84 and 12,119.01

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Solution

The fourth proportional to 17,780.91, 24,516.84 and 12,119.01 is: 16,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.91 : 24,516.84 = 12,119.01 : x
  2. Step 2: Convert to fraction form
    17,780.91/24,516.84 = 12,119.01/x
  3. Step 3: Cross multiply
    17,780.91x = 24,516.84 × 12,119.01
  4. Step 4: Simplify right side
    17,780.91x = 297,119,829.13
  5. Step 5: Solve for x
    x = 297,119,829.13/17,780.91
  6. Step 6: Final answer
    x = 16,710.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.