Home / 35,539.12-53,259.44-13,330.12

Finding the Fourth Proportional to 35,539.12, 53,259.44 and 13,330.12

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Solution

The fourth proportional to 35,539.12, 53,259.44 and 13,330.12 is: 19,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,539.12 : 53,259.44 = 13,330.12 : x
  2. Step 2: Convert to fraction form
    35,539.12/53,259.44 = 13,330.12/x
  3. Step 3: Cross multiply
    35,539.12x = 53,259.44 × 13,330.12
  4. Step 4: Simplify right side
    35,539.12x = 709,954,726.33
  5. Step 5: Solve for x
    x = 709,954,726.33/35,539.12
  6. Step 6: Final answer
    x = 19,976.71

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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.