Home / 19,391.67-26,760.60-10,894.15

Finding the Fourth Proportional to 19,391.67, 26,760.60 and 10,894.15

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Solution

The fourth proportional to 19,391.67, 26,760.60 and 10,894.15 is: 15,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.67 : 26,760.60 = 10,894.15 : x
  2. Step 2: Convert to fraction form
    19,391.67/26,760.60 = 10,894.15/x
  3. Step 3: Cross multiply
    19,391.67x = 26,760.60 × 10,894.15
  4. Step 4: Simplify right side
    19,391.67x = 291,533,904.05
  5. Step 5: Solve for x
    x = 291,533,904.05/19,391.67
  6. Step 6: Final answer
    x = 15,033.98

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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.