Home / 17,958.11-26,934.93-4,811.40

Finding the Fourth Proportional to 17,958.11, 26,934.93 and 4,811.40

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Solution

The fourth proportional to 17,958.11, 26,934.93 and 4,811.40 is: 7,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.11 : 26,934.93 = 4,811.40 : x
  2. Step 2: Convert to fraction form
    17,958.11/26,934.93 = 4,811.40/x
  3. Step 3: Cross multiply
    17,958.11x = 26,934.93 × 4,811.40
  4. Step 4: Simplify right side
    17,958.11x = 129,594,722.20
  5. Step 5: Solve for x
    x = 129,594,722.20/17,958.11
  6. Step 6: Final answer
    x = 7,216.50

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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.