Home / 26,065.11-35,969.89-14,128.45

Finding the Fourth Proportional to 26,065.11, 35,969.89 and 14,128.45

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Solution

The fourth proportional to 26,065.11, 35,969.89 and 14,128.45 is: 19,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,065.11 : 35,969.89 = 14,128.45 : x
  2. Step 2: Convert to fraction form
    26,065.11/35,969.89 = 14,128.45/x
  3. Step 3: Cross multiply
    26,065.11x = 35,969.89 × 14,128.45
  4. Step 4: Simplify right side
    26,065.11x = 508,198,792.37
  5. Step 5: Solve for x
    x = 508,198,792.37/26,065.11
  6. Step 6: Final answer
    x = 19,497.28

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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.