Home / 13,492.49-18,622.04-8,461.05

Finding the Fourth Proportional to 13,492.49, 18,622.04 and 8,461.05

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Solution

The fourth proportional to 13,492.49, 18,622.04 and 8,461.05 is: 11,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.49 : 18,622.04 = 8,461.05 : x
  2. Step 2: Convert to fraction form
    13,492.49/18,622.04 = 8,461.05/x
  3. Step 3: Cross multiply
    13,492.49x = 18,622.04 × 8,461.05
  4. Step 4: Simplify right side
    13,492.49x = 157,561,969.24
  5. Step 5: Solve for x
    x = 157,561,969.24/13,492.49
  6. Step 6: Final answer
    x = 11,677.76

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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.