Home / 35,353.09-53,015.78-13,154.33

Finding the Fourth Proportional to 35,353.09, 53,015.78 and 13,154.33

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Solution

The fourth proportional to 35,353.09, 53,015.78 and 13,154.33 is: 19,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,353.09 : 53,015.78 = 13,154.33 : x
  2. Step 2: Convert to fraction form
    35,353.09/53,015.78 = 13,154.33/x
  3. Step 3: Cross multiply
    35,353.09x = 53,015.78 × 13,154.33
  4. Step 4: Simplify right side
    35,353.09x = 697,387,230.75
  5. Step 5: Solve for x
    x = 697,387,230.75/35,353.09
  6. Step 6: Final answer
    x = 19,726.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.