Home / 18,669.01-25,764.20-10,285.51

Finding the Fourth Proportional to 18,669.01, 25,764.20 and 10,285.51

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Solution

The fourth proportional to 18,669.01, 25,764.20 and 10,285.51 is: 14,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.01 : 25,764.20 = 10,285.51 : x
  2. Step 2: Convert to fraction form
    18,669.01/25,764.20 = 10,285.51/x
  3. Step 3: Cross multiply
    18,669.01x = 25,764.20 × 10,285.51
  4. Step 4: Simplify right side
    18,669.01x = 264,997,885.31
  5. Step 5: Solve for x
    x = 264,997,885.31/18,669.01
  6. Step 6: Final answer
    x = 14,194.53

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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.