Home / 19,792.18-29,685.51-5,000.18

Finding the Fourth Proportional to 19,792.18, 29,685.51 and 5,000.18

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Solution

The fourth proportional to 19,792.18, 29,685.51 and 5,000.18 is: 7,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.18 : 29,685.51 = 5,000.18 : x
  2. Step 2: Convert to fraction form
    19,792.18/29,685.51 = 5,000.18/x
  3. Step 3: Cross multiply
    19,792.18x = 29,685.51 × 5,000.18
  4. Step 4: Simplify right side
    19,792.18x = 148,432,893.39
  5. Step 5: Solve for x
    x = 148,432,893.39/19,792.18
  6. Step 6: Final answer
    x = 7,499.57

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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.