Home / 18,669.13-25,763.33-11,595.53

Finding the Fourth Proportional to 18,669.13, 25,763.33 and 11,595.53

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Solution

The fourth proportional to 18,669.13, 25,763.33 and 11,595.53 is: 16,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.13 : 25,763.33 = 11,595.53 : x
  2. Step 2: Convert to fraction form
    18,669.13/25,763.33 = 11,595.53/x
  3. Step 3: Cross multiply
    18,669.13x = 25,763.33 × 11,595.53
  4. Step 4: Simplify right side
    18,669.13x = 298,739,559.31
  5. Step 5: Solve for x
    x = 298,739,559.31/18,669.13
  6. Step 6: Final answer
    x = 16,001.80

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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.