Home / 13,210.61-19,816.07-3,349.64

Finding the Fourth Proportional to 13,210.61, 19,816.07 and 3,349.64

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Solution

The fourth proportional to 13,210.61, 19,816.07 and 3,349.64 is: 5,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.61 : 19,816.07 = 3,349.64 : x
  2. Step 2: Convert to fraction form
    13,210.61/19,816.07 = 3,349.64/x
  3. Step 3: Cross multiply
    13,210.61x = 19,816.07 × 3,349.64
  4. Step 4: Simplify right side
    13,210.61x = 66,376,584.89
  5. Step 5: Solve for x
    x = 66,376,584.89/13,210.61
  6. Step 6: Final answer
    x = 5,024.49

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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.