Home / 15,666.21-23,511.87-10,956.06

Finding the Fourth Proportional to 15,666.21, 23,511.87 and 10,956.06

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Solution

The fourth proportional to 15,666.21, 23,511.87 and 10,956.06 is: 16,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.21 : 23,511.87 = 10,956.06 : x
  2. Step 2: Convert to fraction form
    15,666.21/23,511.87 = 10,956.06/x
  3. Step 3: Cross multiply
    15,666.21x = 23,511.87 × 10,956.06
  4. Step 4: Simplify right side
    15,666.21x = 257,597,458.43
  5. Step 5: Solve for x
    x = 257,597,458.43/15,666.21
  6. Step 6: Final answer
    x = 16,442.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.