Home / 35,686.52-53,530.64-11,994.41

Finding the Fourth Proportional to 35,686.52, 53,530.64 and 11,994.41

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Solution

The fourth proportional to 35,686.52, 53,530.64 and 11,994.41 is: 17,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.52 : 53,530.64 = 11,994.41 : x
  2. Step 2: Convert to fraction form
    35,686.52/53,530.64 = 11,994.41/x
  3. Step 3: Cross multiply
    35,686.52x = 53,530.64 × 11,994.41
  4. Step 4: Simplify right side
    35,686.52x = 642,068,443.72
  5. Step 5: Solve for x
    x = 642,068,443.72/35,686.52
  6. Step 6: Final answer
    x = 17,991.90

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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.