Home / 22,135.91-30,547.55-12,199.91

Finding the Fourth Proportional to 22,135.91, 30,547.55 and 12,199.91

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Solution

The fourth proportional to 22,135.91, 30,547.55 and 12,199.91 is: 16,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.91 : 30,547.55 = 12,199.91 : x
  2. Step 2: Convert to fraction form
    22,135.91/30,547.55 = 12,199.91/x
  3. Step 3: Cross multiply
    22,135.91x = 30,547.55 × 12,199.91
  4. Step 4: Simplify right side
    22,135.91x = 372,677,360.72
  5. Step 5: Solve for x
    x = 372,677,360.72/22,135.91
  6. Step 6: Final answer
    x = 16,835.87

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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.