Home / 25,831.35-35,648.19-15,083.19

Finding the Fourth Proportional to 25,831.35, 35,648.19 and 15,083.19

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Solution

The fourth proportional to 25,831.35, 35,648.19 and 15,083.19 is: 20,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.35 : 35,648.19 = 15,083.19 : x
  2. Step 2: Convert to fraction form
    25,831.35/35,648.19 = 15,083.19/x
  3. Step 3: Cross multiply
    25,831.35x = 35,648.19 × 15,083.19
  4. Step 4: Simplify right side
    25,831.35x = 537,688,422.93
  5. Step 5: Solve for x
    x = 537,688,422.93/25,831.35
  6. Step 6: Final answer
    x = 20,815.34

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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.