Home / 18,831.12-25,986.07-10,333.03

Finding the Fourth Proportional to 18,831.12, 25,986.07 and 10,333.03

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Solution

The fourth proportional to 18,831.12, 25,986.07 and 10,333.03 is: 14,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.12 : 25,986.07 = 10,333.03 : x
  2. Step 2: Convert to fraction form
    18,831.12/25,986.07 = 10,333.03/x
  3. Step 3: Cross multiply
    18,831.12x = 25,986.07 × 10,333.03
  4. Step 4: Simplify right side
    18,831.12x = 268,514,840.89
  5. Step 5: Solve for x
    x = 268,514,840.89/18,831.12
  6. Step 6: Final answer
    x = 14,259.10

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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.