Home / 13,742.15-20,586.62-9,048.06

Finding the Fourth Proportional to 13,742.15, 20,586.62 and 9,048.06

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Solution

The fourth proportional to 13,742.15, 20,586.62 and 9,048.06 is: 13,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.15 : 20,586.62 = 9,048.06 : x
  2. Step 2: Convert to fraction form
    13,742.15/20,586.62 = 9,048.06/x
  3. Step 3: Cross multiply
    13,742.15x = 20,586.62 × 9,048.06
  4. Step 4: Simplify right side
    13,742.15x = 186,268,995.58
  5. Step 5: Solve for x
    x = 186,268,995.58/13,742.15
  6. Step 6: Final answer
    x = 13,554.58

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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.