Home / 12,495.02-18,751.74-5,921.18

Finding the Fourth Proportional to 12,495.02, 18,751.74 and 5,921.18

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Solution

The fourth proportional to 12,495.02, 18,751.74 and 5,921.18 is: 8,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.02 : 18,751.74 = 5,921.18 : x
  2. Step 2: Convert to fraction form
    12,495.02/18,751.74 = 5,921.18/x
  3. Step 3: Cross multiply
    12,495.02x = 18,751.74 × 5,921.18
  4. Step 4: Simplify right side
    12,495.02x = 111,032,427.85
  5. Step 5: Solve for x
    x = 111,032,427.85/12,495.02
  6. Step 6: Final answer
    x = 8,886.13

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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.