Home / 18,831.76-25,988.58-10,334.18

Finding the Fourth Proportional to 18,831.76, 25,988.58 and 10,334.18

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Solution

The fourth proportional to 18,831.76, 25,988.58 and 10,334.18 is: 14,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.76 : 25,988.58 = 10,334.18 : x
  2. Step 2: Convert to fraction form
    18,831.76/25,988.58 = 10,334.18/x
  3. Step 3: Cross multiply
    18,831.76x = 25,988.58 × 10,334.18
  4. Step 4: Simplify right side
    18,831.76x = 268,570,728.64
  5. Step 5: Solve for x
    x = 268,570,728.64/18,831.76
  6. Step 6: Final answer
    x = 14,261.59

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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.