Home / 13,032.67-19,549-5,239.66

Finding the Fourth Proportional to 13,032.67, 19,549 and 5,239.66

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Solution

The fourth proportional to 13,032.67, 19,549 and 5,239.66 is: 7,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.67 : 19,549 = 5,239.66 : x
  2. Step 2: Convert to fraction form
    13,032.67/19,549 = 5,239.66/x
  3. Step 3: Cross multiply
    13,032.67x = 19,549 × 5,239.66
  4. Step 4: Simplify right side
    13,032.67x = 102,430,113.34
  5. Step 5: Solve for x
    x = 102,430,113.34/13,032.67
  6. Step 6: Final answer
    x = 7,859.49

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1.5x scale

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.