Home / 13,586.84-20,386.12-7,351.26

Finding the Fourth Proportional to 13,586.84, 20,386.12 and 7,351.26

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Solution

The fourth proportional to 13,586.84, 20,386.12 and 7,351.26 is: 11,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.84 : 20,386.12 = 7,351.26 : x
  2. Step 2: Convert to fraction form
    13,586.84/20,386.12 = 7,351.26/x
  3. Step 3: Cross multiply
    13,586.84x = 20,386.12 × 7,351.26
  4. Step 4: Simplify right side
    13,586.84x = 149,863,668.51
  5. Step 5: Solve for x
    x = 149,863,668.51/13,586.84
  6. Step 6: Final answer
    x = 11,030.06

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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.