Home / 25,749.57-35,523.97-15,669.93

Finding the Fourth Proportional to 25,749.57, 35,523.97 and 15,669.93

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Solution

The fourth proportional to 25,749.57, 35,523.97 and 15,669.93 is: 21,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.57 : 35,523.97 = 15,669.93 : x
  2. Step 2: Convert to fraction form
    25,749.57/35,523.97 = 15,669.93/x
  3. Step 3: Cross multiply
    25,749.57x = 35,523.97 × 15,669.93
  4. Step 4: Simplify right side
    25,749.57x = 556,658,123.22
  5. Step 5: Solve for x
    x = 556,658,123.22/25,749.57
  6. Step 6: Final answer
    x = 21,618.15

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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.