Home / 19,344.81-26,695.84-11,391.93

Finding the Fourth Proportional to 19,344.81, 26,695.84 and 11,391.93

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Solution

The fourth proportional to 19,344.81, 26,695.84 and 11,391.93 is: 15,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.81 : 26,695.84 = 11,391.93 : x
  2. Step 2: Convert to fraction form
    19,344.81/26,695.84 = 11,391.93/x
  3. Step 3: Cross multiply
    19,344.81x = 26,695.84 × 11,391.93
  4. Step 4: Simplify right side
    19,344.81x = 304,117,140.57
  5. Step 5: Solve for x
    x = 304,117,140.57/19,344.81
  6. Step 6: Final answer
    x = 15,720.86

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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.