Home / 15,457.75-23,167.62-7,126.21

Finding the Fourth Proportional to 15,457.75, 23,167.62 and 7,126.21

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Solution

The fourth proportional to 15,457.75, 23,167.62 and 7,126.21 is: 10,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457.75 : 23,167.62 = 7,126.21 : x
  2. Step 2: Convert to fraction form
    15,457.75/23,167.62 = 7,126.21/x
  3. Step 3: Cross multiply
    15,457.75x = 23,167.62 × 7,126.21
  4. Step 4: Simplify right side
    15,457.75x = 165,097,325.32
  5. Step 5: Solve for x
    x = 165,097,325.32/15,457.75
  6. Step 6: Final answer
    x = 10,680.55

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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.