Home / 19,390.77-26,759.43-10,893.06

Finding the Fourth Proportional to 19,390.77, 26,759.43 and 10,893.06

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Solution

The fourth proportional to 19,390.77, 26,759.43 and 10,893.06 is: 15,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.77 : 26,759.43 = 10,893.06 : x
  2. Step 2: Convert to fraction form
    19,390.77/26,759.43 = 10,893.06/x
  3. Step 3: Cross multiply
    19,390.77x = 26,759.43 × 10,893.06
  4. Step 4: Simplify right side
    19,390.77x = 291,492,076.56
  5. Step 5: Solve for x
    x = 291,492,076.56/19,390.77
  6. Step 6: Final answer
    x = 15,032.52

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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.