Home / 25,958.09-35,831.06-15,206.42

Finding the Fourth Proportional to 25,958.09, 35,831.06 and 15,206.42

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Solution

The fourth proportional to 25,958.09, 35,831.06 and 15,206.42 is: 20,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.09 : 35,831.06 = 15,206.42 : x
  2. Step 2: Convert to fraction form
    25,958.09/35,831.06 = 15,206.42/x
  3. Step 3: Cross multiply
    25,958.09x = 35,831.06 × 15,206.42
  4. Step 4: Simplify right side
    25,958.09x = 544,862,101.96
  5. Step 5: Solve for x
    x = 544,862,101.96/25,958.09
  6. Step 6: Final answer
    x = 20,990.07

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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.