Home / 16,030.38-22,121.47-8,956.80

Finding the Fourth Proportional to 16,030.38, 22,121.47 and 8,956.80

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Solution

The fourth proportional to 16,030.38, 22,121.47 and 8,956.80 is: 12,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.38 : 22,121.47 = 8,956.80 : x
  2. Step 2: Convert to fraction form
    16,030.38/22,121.47 = 8,956.80/x
  3. Step 3: Cross multiply
    16,030.38x = 22,121.47 × 8,956.80
  4. Step 4: Simplify right side
    16,030.38x = 198,137,582.50
  5. Step 5: Solve for x
    x = 198,137,582.50/16,030.38
  6. Step 6: Final answer
    x = 12,360.13

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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.