Home / 27,219.04-40,840.08-11,427.60

Finding the Fourth Proportional to 27,219.04, 40,840.08 and 11,427.60

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Solution

The fourth proportional to 27,219.04, 40,840.08 and 11,427.60 is: 17,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.04 : 40,840.08 = 11,427.60 : x
  2. Step 2: Convert to fraction form
    27,219.04/40,840.08 = 11,427.60/x
  3. Step 3: Cross multiply
    27,219.04x = 40,840.08 × 11,427.60
  4. Step 4: Simplify right side
    27,219.04x = 466,704,098.21
  5. Step 5: Solve for x
    x = 466,704,098.21/27,219.04
  6. Step 6: Final answer
    x = 17,146.24

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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.