Home / 26,012.61-35,900.42-15,938.78

Finding the Fourth Proportional to 26,012.61, 35,900.42 and 15,938.78

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Solution

The fourth proportional to 26,012.61, 35,900.42 and 15,938.78 is: 21,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012.61 : 35,900.42 = 15,938.78 : x
  2. Step 2: Convert to fraction form
    26,012.61/35,900.42 = 15,938.78/x
  3. Step 3: Cross multiply
    26,012.61x = 35,900.42 × 15,938.78
  4. Step 4: Simplify right side
    26,012.61x = 572,208,637.09
  5. Step 5: Solve for x
    x = 572,208,637.09/26,012.61
  6. Step 6: Final answer
    x = 21,997.36

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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.