Home / 22,160.80-30,582.26-12,089.24

Finding the Fourth Proportional to 22,160.80, 30,582.26 and 12,089.24

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Solution

The fourth proportional to 22,160.80, 30,582.26 and 12,089.24 is: 16,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.80 : 30,582.26 = 12,089.24 : x
  2. Step 2: Convert to fraction form
    22,160.80/30,582.26 = 12,089.24/x
  3. Step 3: Cross multiply
    22,160.80x = 30,582.26 × 12,089.24
  4. Step 4: Simplify right side
    22,160.80x = 369,716,280.88
  5. Step 5: Solve for x
    x = 369,716,280.88/22,160.80
  6. Step 6: Final answer
    x = 16,683.35

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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.