Home / 17,740.95-26,585.90-12,200.55

Finding the Fourth Proportional to 17,740.95, 26,585.90 and 12,200.55

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Solution

The fourth proportional to 17,740.95, 26,585.90 and 12,200.55 is: 18,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.95 : 26,585.90 = 12,200.55 : x
  2. Step 2: Convert to fraction form
    17,740.95/26,585.90 = 12,200.55/x
  3. Step 3: Cross multiply
    17,740.95x = 26,585.90 × 12,200.55
  4. Step 4: Simplify right side
    17,740.95x = 324,362,602.25
  5. Step 5: Solve for x
    x = 324,362,602.25/17,740.95
  6. Step 6: Final answer
    x = 18,283.27

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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.