Home / 13,047.16-19,566.64-4,280.03

Finding the Fourth Proportional to 13,047.16, 19,566.64 and 4,280.03

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Solution

The fourth proportional to 13,047.16, 19,566.64 and 4,280.03 is: 6,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.16 : 19,566.64 = 4,280.03 : x
  2. Step 2: Convert to fraction form
    13,047.16/19,566.64 = 4,280.03/x
  3. Step 3: Cross multiply
    13,047.16x = 19,566.64 × 4,280.03
  4. Step 4: Simplify right side
    13,047.16x = 83,745,774.62
  5. Step 5: Solve for x
    x = 83,745,774.62/13,047.16
  6. Step 6: Final answer
    x = 6,418.70

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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.