Home / 19,220.14-26,504.39-12,846.75

Finding the Fourth Proportional to 19,220.14, 26,504.39 and 12,846.75

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Solution

The fourth proportional to 19,220.14, 26,504.39 and 12,846.75 is: 17,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.14 : 26,504.39 = 12,846.75 : x
  2. Step 2: Convert to fraction form
    19,220.14/26,504.39 = 12,846.75/x
  3. Step 3: Cross multiply
    19,220.14x = 26,504.39 × 12,846.75
  4. Step 4: Simplify right side
    19,220.14x = 340,495,150.19
  5. Step 5: Solve for x
    x = 340,495,150.19/19,220.14
  6. Step 6: Final answer
    x = 17,715.54

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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.