Home / 13,584.25-18,746.33-7,922.94

Finding the Fourth Proportional to 13,584.25, 18,746.33 and 7,922.94

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Solution

The fourth proportional to 13,584.25, 18,746.33 and 7,922.94 is: 10,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.25 : 18,746.33 = 7,922.94 : x
  2. Step 2: Convert to fraction form
    13,584.25/18,746.33 = 7,922.94/x
  3. Step 3: Cross multiply
    13,584.25x = 18,746.33 × 7,922.94
  4. Step 4: Simplify right side
    13,584.25x = 148,526,047.81
  5. Step 5: Solve for x
    x = 148,526,047.81/13,584.25
  6. Step 6: Final answer
    x = 10,933.70

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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.