Home / 14,032.72-19,365.18-7,745.09

Finding the Fourth Proportional to 14,032.72, 19,365.18 and 7,745.09

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Solution

The fourth proportional to 14,032.72, 19,365.18 and 7,745.09 is: 10,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.72 : 19,365.18 = 7,745.09 : x
  2. Step 2: Convert to fraction form
    14,032.72/19,365.18 = 7,745.09/x
  3. Step 3: Cross multiply
    14,032.72x = 19,365.18 × 7,745.09
  4. Step 4: Simplify right side
    14,032.72x = 149,985,061.97
  5. Step 5: Solve for x
    x = 149,985,061.97/14,032.72
  6. Step 6: Final answer
    x = 10,688.24

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1.5x scale

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.