Home / 26,637.86-36,759.02-15,299.38

Finding the Fourth Proportional to 26,637.86, 36,759.02 and 15,299.38

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Solution

The fourth proportional to 26,637.86, 36,759.02 and 15,299.38 is: 21,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.86 : 36,759.02 = 15,299.38 : x
  2. Step 2: Convert to fraction form
    26,637.86/36,759.02 = 15,299.38/x
  3. Step 3: Cross multiply
    26,637.86x = 36,759.02 × 15,299.38
  4. Step 4: Simplify right side
    26,637.86x = 562,389,955.12
  5. Step 5: Solve for x
    x = 562,389,955.12/26,637.86
  6. Step 6: Final answer
    x = 21,112.43

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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.