Home / 19,140.72-26,407.86-11,584.19

Finding the Fourth Proportional to 19,140.72, 26,407.86 and 11,584.19

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Solution

The fourth proportional to 19,140.72, 26,407.86 and 11,584.19 is: 15,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.72 : 26,407.86 = 11,584.19 : x
  2. Step 2: Convert to fraction form
    19,140.72/26,407.86 = 11,584.19/x
  3. Step 3: Cross multiply
    19,140.72x = 26,407.86 × 11,584.19
  4. Step 4: Simplify right side
    19,140.72x = 305,913,535.69
  5. Step 5: Solve for x
    x = 305,913,535.69/19,140.72
  6. Step 6: Final answer
    x = 15,982.34

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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.