Home / 25,682.13-35,440.54-15,071.54

Finding the Fourth Proportional to 25,682.13, 35,440.54 and 15,071.54

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Solution

The fourth proportional to 25,682.13, 35,440.54 and 15,071.54 is: 20,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,682.13 : 35,440.54 = 15,071.54 : x
  2. Step 2: Convert to fraction form
    25,682.13/35,440.54 = 15,071.54/x
  3. Step 3: Cross multiply
    25,682.13x = 35,440.54 × 15,071.54
  4. Step 4: Simplify right side
    25,682.13x = 534,143,301.35
  5. Step 5: Solve for x
    x = 534,143,301.35/25,682.13
  6. Step 6: Final answer
    x = 20,798.25

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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.