Home / 15,941.22-23,915.67-7,618.87

Finding the Fourth Proportional to 15,941.22, 23,915.67 and 7,618.87

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Solution

The fourth proportional to 15,941.22, 23,915.67 and 7,618.87 is: 11,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.22 : 23,915.67 = 7,618.87 : x
  2. Step 2: Convert to fraction form
    15,941.22/23,915.67 = 7,618.87/x
  3. Step 3: Cross multiply
    15,941.22x = 23,915.67 × 7,618.87
  4. Step 4: Simplify right side
    15,941.22x = 182,210,380.69
  5. Step 5: Solve for x
    x = 182,210,380.69/15,941.22
  6. Step 6: Final answer
    x = 11,430.14

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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.