Home / 15,792.89-23,675.36-6,440.72

Finding the Fourth Proportional to 15,792.89, 23,675.36 and 6,440.72

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Solution

The fourth proportional to 15,792.89, 23,675.36 and 6,440.72 is: 9,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,792.89 : 23,675.36 = 6,440.72 : x
  2. Step 2: Convert to fraction form
    15,792.89/23,675.36 = 6,440.72/x
  3. Step 3: Cross multiply
    15,792.89x = 23,675.36 × 6,440.72
  4. Step 4: Simplify right side
    15,792.89x = 152,486,439.95
  5. Step 5: Solve for x
    x = 152,486,439.95/15,792.89
  6. Step 6: Final answer
    x = 9,655.39

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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.