Home / 16,818.65-23,193.92-12,579.51

Finding the Fourth Proportional to 16,818.65, 23,193.92 and 12,579.51

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Solution

The fourth proportional to 16,818.65, 23,193.92 and 12,579.51 is: 17,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.65 : 23,193.92 = 12,579.51 : x
  2. Step 2: Convert to fraction form
    16,818.65/23,193.92 = 12,579.51/x
  3. Step 3: Cross multiply
    16,818.65x = 23,193.92 × 12,579.51
  4. Step 4: Simplify right side
    16,818.65x = 291,768,267.01
  5. Step 5: Solve for x
    x = 291,768,267.01/16,818.65
  6. Step 6: Final answer
    x = 17,347.90

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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.