Home / 13,020.42-19,586.08-11,802.54

Finding the Fourth Proportional to 13,020.42, 19,586.08 and 11,802.54

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Solution

The fourth proportional to 13,020.42, 19,586.08 and 11,802.54 is: 17,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.42 : 19,586.08 = 11,802.54 : x
  2. Step 2: Convert to fraction form
    13,020.42/19,586.08 = 11,802.54/x
  3. Step 3: Cross multiply
    13,020.42x = 19,586.08 × 11,802.54
  4. Step 4: Simplify right side
    13,020.42x = 231,165,492.64
  5. Step 5: Solve for x
    x = 231,165,492.64/13,020.42
  6. Step 6: Final answer
    x = 17,754.07

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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.