Home / 16,106.74-22,218.72-9,389.92

Finding the Fourth Proportional to 16,106.74, 22,218.72 and 9,389.92

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Solution

The fourth proportional to 16,106.74, 22,218.72 and 9,389.92 is: 12,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,106.74 : 22,218.72 = 9,389.92 : x
  2. Step 2: Convert to fraction form
    16,106.74/22,218.72 = 9,389.92/x
  3. Step 3: Cross multiply
    16,106.74x = 22,218.72 × 9,389.92
  4. Step 4: Simplify right side
    16,106.74x = 208,632,011.21
  5. Step 5: Solve for x
    x = 208,632,011.21/16,106.74
  6. Step 6: Final answer
    x = 12,953.09

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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.