Home / 16,673.74-23,009.88-9,120.22

Finding the Fourth Proportional to 16,673.74, 23,009.88 and 9,120.22

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Solution

The fourth proportional to 16,673.74, 23,009.88 and 9,120.22 is: 12,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.74 : 23,009.88 = 9,120.22 : x
  2. Step 2: Convert to fraction form
    16,673.74/23,009.88 = 9,120.22/x
  3. Step 3: Cross multiply
    16,673.74x = 23,009.88 × 9,120.22
  4. Step 4: Simplify right side
    16,673.74x = 209,855,167.77
  5. Step 5: Solve for x
    x = 209,855,167.77/16,673.74
  6. Step 6: Final answer
    x = 12,585.97

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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.