Home / 18,831.43-25,986.51-10,333.35

Finding the Fourth Proportional to 18,831.43, 25,986.51 and 10,333.35

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Solution

The fourth proportional to 18,831.43, 25,986.51 and 10,333.35 is: 14,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.43 : 25,986.51 = 10,333.35 : x
  2. Step 2: Convert to fraction form
    18,831.43/25,986.51 = 10,333.35/x
  3. Step 3: Cross multiply
    18,831.43x = 25,986.51 × 10,333.35
  4. Step 4: Simplify right side
    18,831.43x = 268,527,521.51
  5. Step 5: Solve for x
    x = 268,527,521.51/18,831.43
  6. Step 6: Final answer
    x = 14,259.54

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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.