Home / 19,542.64-29,313.54-4,751.64

Finding the Fourth Proportional to 19,542.64, 29,313.54 and 4,751.64

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Solution

The fourth proportional to 19,542.64, 29,313.54 and 4,751.64 is: 7,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.64 : 29,313.54 = 4,751.64 : x
  2. Step 2: Convert to fraction form
    19,542.64/29,313.54 = 4,751.64/x
  3. Step 3: Cross multiply
    19,542.64x = 29,313.54 × 4,751.64
  4. Step 4: Simplify right side
    19,542.64x = 139,287,389.21
  5. Step 5: Solve for x
    x = 139,287,389.21/19,542.64
  6. Step 6: Final answer
    x = 7,127.36

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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.