Home / 19,962.57-29,894.65-12,548.64

Finding the Fourth Proportional to 19,962.57, 29,894.65 and 12,548.64

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Solution

The fourth proportional to 19,962.57, 29,894.65 and 12,548.64 is: 18,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.57 : 29,894.65 = 12,548.64 : x
  2. Step 2: Convert to fraction form
    19,962.57/29,894.65 = 12,548.64/x
  3. Step 3: Cross multiply
    19,962.57x = 29,894.65 × 12,548.64
  4. Step 4: Simplify right side
    19,962.57x = 375,137,200.78
  5. Step 5: Solve for x
    x = 375,137,200.78/19,962.57
  6. Step 6: Final answer
    x = 18,792.03

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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.