Home / 13,529.65-18,653.84-8,741.48

Finding the Fourth Proportional to 13,529.65, 18,653.84 and 8,741.48

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Solution

The fourth proportional to 13,529.65, 18,653.84 and 8,741.48 is: 12,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.65 : 18,653.84 = 8,741.48 : x
  2. Step 2: Convert to fraction form
    13,529.65/18,653.84 = 8,741.48/x
  3. Step 3: Cross multiply
    13,529.65x = 18,653.84 × 8,741.48
  4. Step 4: Simplify right side
    13,529.65x = 163,062,172.21
  5. Step 5: Solve for x
    x = 163,062,172.21/13,529.65
  6. Step 6: Final answer
    x = 12,052.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.