Home / 34,686.27-47,867.39-18,771.05

Finding the Fourth Proportional to 34,686.27, 47,867.39 and 18,771.05

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Solution

The fourth proportional to 34,686.27, 47,867.39 and 18,771.05 is: 25,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.27 : 47,867.39 = 18,771.05 : x
  2. Step 2: Convert to fraction form
    34,686.27/47,867.39 = 18,771.05/x
  3. Step 3: Cross multiply
    34,686.27x = 47,867.39 × 18,771.05
  4. Step 4: Simplify right side
    34,686.27x = 898,521,361.12
  5. Step 5: Solve for x
    x = 898,521,361.12/34,686.27
  6. Step 6: Final answer
    x = 25,904.24

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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.