Home / 12,024.56-18,038.56-3,705.28

Finding the Fourth Proportional to 12,024.56, 18,038.56 and 3,705.28

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Solution

The fourth proportional to 12,024.56, 18,038.56 and 3,705.28 is: 5,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.56 : 18,038.56 = 3,705.28 : x
  2. Step 2: Convert to fraction form
    12,024.56/18,038.56 = 3,705.28/x
  3. Step 3: Cross multiply
    12,024.56x = 18,038.56 × 3,705.28
  4. Step 4: Simplify right side
    12,024.56x = 66,837,915.60
  5. Step 5: Solve for x
    x = 66,837,915.60/12,024.56
  6. Step 6: Final answer
    x = 5,558.45

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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.