Home / 15,461.22-23,171.96-7,021.56

Finding the Fourth Proportional to 15,461.22, 23,171.96 and 7,021.56

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Solution

The fourth proportional to 15,461.22, 23,171.96 and 7,021.56 is: 10,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.22 : 23,171.96 = 7,021.56 : x
  2. Step 2: Convert to fraction form
    15,461.22/23,171.96 = 7,021.56/x
  3. Step 3: Cross multiply
    15,461.22x = 23,171.96 × 7,021.56
  4. Step 4: Simplify right side
    15,461.22x = 162,703,307.46
  5. Step 5: Solve for x
    x = 162,703,307.46/15,461.22
  6. Step 6: Final answer
    x = 10,523.32

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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.