Home / 20,416.58-30,597.98-19,084.78

Finding the Fourth Proportional to 20,416.58, 30,597.98 and 19,084.78

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Solution

The fourth proportional to 20,416.58, 30,597.98 and 19,084.78 is: 28,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.58 : 30,597.98 = 19,084.78 : x
  2. Step 2: Convert to fraction form
    20,416.58/30,597.98 = 19,084.78/x
  3. Step 3: Cross multiply
    20,416.58x = 30,597.98 × 19,084.78
  4. Step 4: Simplify right side
    20,416.58x = 583,955,563.75
  5. Step 5: Solve for x
    x = 583,955,563.75/20,416.58
  6. Step 6: Final answer
    x = 28,602.03

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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.