Home / 13,746.43-18,968.47-7,697.01

Finding the Fourth Proportional to 13,746.43, 18,968.47 and 7,697.01

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Solution

The fourth proportional to 13,746.43, 18,968.47 and 7,697.01 is: 10,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.43 : 18,968.47 = 7,697.01 : x
  2. Step 2: Convert to fraction form
    13,746.43/18,968.47 = 7,697.01/x
  3. Step 3: Cross multiply
    13,746.43x = 18,968.47 × 7,697.01
  4. Step 4: Simplify right side
    13,746.43x = 146,000,503.27
  5. Step 5: Solve for x
    x = 146,000,503.27/13,746.43
  6. Step 6: Final answer
    x = 10,620.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.