Home / 15,025.04-20,736.10-8,651.89

Finding the Fourth Proportional to 15,025.04, 20,736.10 and 8,651.89

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Solution

The fourth proportional to 15,025.04, 20,736.10 and 8,651.89 is: 11,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.04 : 20,736.10 = 8,651.89 : x
  2. Step 2: Convert to fraction form
    15,025.04/20,736.10 = 8,651.89/x
  3. Step 3: Cross multiply
    15,025.04x = 20,736.10 × 8,651.89
  4. Step 4: Simplify right side
    15,025.04x = 179,406,492.96
  5. Step 5: Solve for x
    x = 179,406,492.96/15,025.04
  6. Step 6: Final answer
    x = 11,940.50

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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.