Home / 18,450.81-25,461.69-10,492.56

Finding the Fourth Proportional to 18,450.81, 25,461.69 and 10,492.56

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Solution

The fourth proportional to 18,450.81, 25,461.69 and 10,492.56 is: 14,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.81 : 25,461.69 = 10,492.56 : x
  2. Step 2: Convert to fraction form
    18,450.81/25,461.69 = 10,492.56/x
  3. Step 3: Cross multiply
    18,450.81x = 25,461.69 × 10,492.56
  4. Step 4: Simplify right side
    18,450.81x = 267,158,310.03
  5. Step 5: Solve for x
    x = 267,158,310.03/18,450.81
  6. Step 6: Final answer
    x = 14,479.49

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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.