Home / 18,831.86-25,988.19-10,333.43

Finding the Fourth Proportional to 18,831.86, 25,988.19 and 10,333.43

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Solution

The fourth proportional to 18,831.86, 25,988.19 and 10,333.43 is: 14,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.86 : 25,988.19 = 10,333.43 : x
  2. Step 2: Convert to fraction form
    18,831.86/25,988.19 = 10,333.43/x
  3. Step 3: Cross multiply
    18,831.86x = 25,988.19 × 10,333.43
  4. Step 4: Simplify right side
    18,831.86x = 268,547,012.25
  5. Step 5: Solve for x
    x = 268,547,012.25/18,831.86
  6. Step 6: Final answer
    x = 14,260.25

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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.