Home / 20,415.95-30,597.03-19,084.16

Finding the Fourth Proportional to 20,415.95, 30,597.03 and 19,084.16

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Solution

The fourth proportional to 20,415.95, 30,597.03 and 19,084.16 is: 28,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415.95 : 30,597.03 = 19,084.16 : x
  2. Step 2: Convert to fraction form
    20,415.95/30,597.03 = 19,084.16/x
  3. Step 3: Cross multiply
    20,415.95x = 30,597.03 × 19,084.16
  4. Step 4: Simplify right side
    20,415.95x = 583,918,616.04
  5. Step 5: Solve for x
    x = 583,918,616.04/20,415.95
  6. Step 6: Final answer
    x = 28,601.10

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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.