Home / 18,476.64-27,706.73-5,325.89

Finding the Fourth Proportional to 18,476.64, 27,706.73 and 5,325.89

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Solution

The fourth proportional to 18,476.64, 27,706.73 and 5,325.89 is: 7,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.64 : 27,706.73 = 5,325.89 : x
  2. Step 2: Convert to fraction form
    18,476.64/27,706.73 = 5,325.89/x
  3. Step 3: Cross multiply
    18,476.64x = 27,706.73 × 5,325.89
  4. Step 4: Simplify right side
    18,476.64x = 147,562,831.08
  5. Step 5: Solve for x
    x = 147,562,831.08/18,476.64
  6. Step 6: Final answer
    x = 7,986.45

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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.