Home / 13,532.63-18,680.09-10,185.10

Finding the Fourth Proportional to 13,532.63, 18,680.09 and 10,185.10

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Solution

The fourth proportional to 13,532.63, 18,680.09 and 10,185.10 is: 14,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.63 : 18,680.09 = 10,185.10 : x
  2. Step 2: Convert to fraction form
    13,532.63/18,680.09 = 10,185.10/x
  3. Step 3: Cross multiply
    13,532.63x = 18,680.09 × 10,185.10
  4. Step 4: Simplify right side
    13,532.63x = 190,258,487.03
  5. Step 5: Solve for x
    x = 190,258,487.03/13,532.63
  6. Step 6: Final answer
    x = 14,059.24

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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.