Home / 15,831.56-23,728.79-8,808.26

Finding the Fourth Proportional to 15,831.56, 23,728.79 and 8,808.26

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Solution

The fourth proportional to 15,831.56, 23,728.79 and 8,808.26 is: 13,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.56 : 23,728.79 = 8,808.26 : x
  2. Step 2: Convert to fraction form
    15,831.56/23,728.79 = 8,808.26/x
  3. Step 3: Cross multiply
    15,831.56x = 23,728.79 × 8,808.26
  4. Step 4: Simplify right side
    15,831.56x = 209,009,351.81
  5. Step 5: Solve for x
    x = 209,009,351.81/15,831.56
  6. Step 6: Final answer
    x = 13,202.07

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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.