Home / 13,216.30-19,823.42-4,892.40

Finding the Fourth Proportional to 13,216.30, 19,823.42 and 4,892.40

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Solution

The fourth proportional to 13,216.30, 19,823.42 and 4,892.40 is: 7,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.30 : 19,823.42 = 4,892.40 : x
  2. Step 2: Convert to fraction form
    13,216.30/19,823.42 = 4,892.40/x
  3. Step 3: Cross multiply
    13,216.30x = 19,823.42 × 4,892.40
  4. Step 4: Simplify right side
    13,216.30x = 96,984,100.01
  5. Step 5: Solve for x
    x = 96,984,100.01/13,216.30
  6. Step 6: Final answer
    x = 7,338.22

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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.