Home / 20,583.79-30,875.77-5,792.92

Finding the Fourth Proportional to 20,583.79, 30,875.77 and 5,792.92

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Solution

The fourth proportional to 20,583.79, 30,875.77 and 5,792.92 is: 8,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.79 : 30,875.77 = 5,792.92 : x
  2. Step 2: Convert to fraction form
    20,583.79/30,875.77 = 5,792.92/x
  3. Step 3: Cross multiply
    20,583.79x = 30,875.77 × 5,792.92
  4. Step 4: Simplify right side
    20,583.79x = 178,860,865.55
  5. Step 5: Solve for x
    x = 178,860,865.55/20,583.79
  6. Step 6: Final answer
    x = 8,689.40

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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.