Home / 19,110.74-26,323.28-13,725.25

Finding the Fourth Proportional to 19,110.74, 26,323.28 and 13,725.25

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Solution

The fourth proportional to 19,110.74, 26,323.28 and 13,725.25 is: 18,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.74 : 26,323.28 = 13,725.25 : x
  2. Step 2: Convert to fraction form
    19,110.74/26,323.28 = 13,725.25/x
  3. Step 3: Cross multiply
    19,110.74x = 26,323.28 × 13,725.25
  4. Step 4: Simplify right side
    19,110.74x = 361,293,515.86
  5. Step 5: Solve for x
    x = 361,293,515.86/19,110.74
  6. Step 6: Final answer
    x = 18,905.27

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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.