Home / 12,017.28-18,023.60-3,695.08

Finding the Fourth Proportional to 12,017.28, 18,023.60 and 3,695.08

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Solution

The fourth proportional to 12,017.28, 18,023.60 and 3,695.08 is: 5,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.28 : 18,023.60 = 3,695.08 : x
  2. Step 2: Convert to fraction form
    12,017.28/18,023.60 = 3,695.08/x
  3. Step 3: Cross multiply
    12,017.28x = 18,023.60 × 3,695.08
  4. Step 4: Simplify right side
    12,017.28x = 66,598,643.89
  5. Step 5: Solve for x
    x = 66,598,643.89/12,017.28
  6. Step 6: Final answer
    x = 5,541.91

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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.