Home / 22,161.17-30,582.56-12,089.77

Finding the Fourth Proportional to 22,161.17, 30,582.56 and 12,089.77

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Solution

The fourth proportional to 22,161.17, 30,582.56 and 12,089.77 is: 16,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.17 : 30,582.56 = 12,089.77 : x
  2. Step 2: Convert to fraction form
    22,161.17/30,582.56 = 12,089.77/x
  3. Step 3: Cross multiply
    22,161.17x = 30,582.56 × 12,089.77
  4. Step 4: Simplify right side
    22,161.17x = 369,736,116.41
  5. Step 5: Solve for x
    x = 369,736,116.41/22,161.17
  6. Step 6: Final answer
    x = 16,683.96

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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.