Home / 25,641.36-35,361.36-19,673.28

Finding the Fourth Proportional to 25,641.36, 35,361.36 and 19,673.28

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Solution

The fourth proportional to 25,641.36, 35,361.36 and 19,673.28 is: 27,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.36 : 35,361.36 = 19,673.28 : x
  2. Step 2: Convert to fraction form
    25,641.36/35,361.36 = 19,673.28/x
  3. Step 3: Cross multiply
    25,641.36x = 35,361.36 × 19,673.28
  4. Step 4: Simplify right side
    25,641.36x = 695,673,936.46
  5. Step 5: Solve for x
    x = 695,673,936.46/25,641.36
  6. Step 6: Final answer
    x = 27,130.93

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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.