Home / 22,637.76-33,956.51-12,315.12

Finding the Fourth Proportional to 22,637.76, 33,956.51 and 12,315.12

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Solution

The fourth proportional to 22,637.76, 33,956.51 and 12,315.12 is: 18,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.76 : 33,956.51 = 12,315.12 : x
  2. Step 2: Convert to fraction form
    22,637.76/33,956.51 = 12,315.12/x
  3. Step 3: Cross multiply
    22,637.76x = 33,956.51 × 12,315.12
  4. Step 4: Simplify right side
    22,637.76x = 418,178,433.86
  5. Step 5: Solve for x
    x = 418,178,433.86/22,637.76
  6. Step 6: Final answer
    x = 18,472.61

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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.