Home / 18,635.10-25,708.83-10,567.05

Finding the Fourth Proportional to 18,635.10, 25,708.83 and 10,567.05

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Solution

The fourth proportional to 18,635.10, 25,708.83 and 10,567.05 is: 14,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.10 : 25,708.83 = 10,567.05 : x
  2. Step 2: Convert to fraction form
    18,635.10/25,708.83 = 10,567.05/x
  3. Step 3: Cross multiply
    18,635.10x = 25,708.83 × 10,567.05
  4. Step 4: Simplify right side
    18,635.10x = 271,666,492.05
  5. Step 5: Solve for x
    x = 271,666,492.05/18,635.10
  6. Step 6: Final answer
    x = 14,578.21

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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.