Home / 25,900.38-35,749.08-15,293.34

Finding the Fourth Proportional to 25,900.38, 35,749.08 and 15,293.34

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Solution

The fourth proportional to 25,900.38, 35,749.08 and 15,293.34 is: 21,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.38 : 35,749.08 = 15,293.34 : x
  2. Step 2: Convert to fraction form
    25,900.38/35,749.08 = 15,293.34/x
  3. Step 3: Cross multiply
    25,900.38x = 35,749.08 × 15,293.34
  4. Step 4: Simplify right side
    25,900.38x = 546,722,835.13
  5. Step 5: Solve for x
    x = 546,722,835.13/25,900.38
  6. Step 6: Final answer
    x = 21,108.68

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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.