Home / 22,003.58-30,364.10-11,931.84

Finding the Fourth Proportional to 22,003.58, 30,364.10 and 11,931.84

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Solution

The fourth proportional to 22,003.58, 30,364.10 and 11,931.84 is: 16,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.58 : 30,364.10 = 11,931.84 : x
  2. Step 2: Convert to fraction form
    22,003.58/30,364.10 = 11,931.84/x
  3. Step 3: Cross multiply
    22,003.58x = 30,364.10 × 11,931.84
  4. Step 4: Simplify right side
    22,003.58x = 362,299,568.03
  5. Step 5: Solve for x
    x = 362,299,568.03/22,003.58
  6. Step 6: Final answer
    x = 16,465.48

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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.