Home / 23,990.42-33,106.84-13,380.74

Finding the Fourth Proportional to 23,990.42, 33,106.84 and 13,380.74

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Solution

The fourth proportional to 23,990.42, 33,106.84 and 13,380.74 is: 18,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.42 : 33,106.84 = 13,380.74 : x
  2. Step 2: Convert to fraction form
    23,990.42/33,106.84 = 13,380.74/x
  3. Step 3: Cross multiply
    23,990.42x = 33,106.84 × 13,380.74
  4. Step 4: Simplify right side
    23,990.42x = 442,994,117.75
  5. Step 5: Solve for x
    x = 442,994,117.75/23,990.42
  6. Step 6: Final answer
    x = 18,465.46

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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.