Home / 13,032.80-19,541.32-5,125.84

Finding the Fourth Proportional to 13,032.80, 19,541.32 and 5,125.84

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Solution

The fourth proportional to 13,032.80, 19,541.32 and 5,125.84 is: 7,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.80 : 19,541.32 = 5,125.84 : x
  2. Step 2: Convert to fraction form
    13,032.80/19,541.32 = 5,125.84/x
  3. Step 3: Cross multiply
    13,032.80x = 19,541.32 × 5,125.84
  4. Step 4: Simplify right side
    13,032.80x = 100,165,679.71
  5. Step 5: Solve for x
    x = 100,165,679.71/13,032.80
  6. Step 6: Final answer
    x = 7,685.66

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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.