Home / 19,735.16-29,583.50-7,885.40

Finding the Fourth Proportional to 19,735.16, 29,583.50 and 7,885.40

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Solution

The fourth proportional to 19,735.16, 29,583.50 and 7,885.40 is: 11,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.16 : 29,583.50 = 7,885.40 : x
  2. Step 2: Convert to fraction form
    19,735.16/29,583.50 = 7,885.40/x
  3. Step 3: Cross multiply
    19,735.16x = 29,583.50 × 7,885.40
  4. Step 4: Simplify right side
    19,735.16x = 233,277,730.90
  5. Step 5: Solve for x
    x = 233,277,730.90/19,735.16
  6. Step 6: Final answer
    x = 11,820.41

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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.