Home / 25,622.64-38,438.04-10,831.68

Finding the Fourth Proportional to 25,622.64, 38,438.04 and 10,831.68

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Solution

The fourth proportional to 25,622.64, 38,438.04 and 10,831.68 is: 16,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.64 : 38,438.04 = 10,831.68 : x
  2. Step 2: Convert to fraction form
    25,622.64/38,438.04 = 10,831.68/x
  3. Step 3: Cross multiply
    25,622.64x = 38,438.04 × 10,831.68
  4. Step 4: Simplify right side
    25,622.64x = 416,348,549.11
  5. Step 5: Solve for x
    x = 416,348,549.11/25,622.64
  6. Step 6: Final answer
    x = 16,249.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.