Home / 19,580.88-29,373.12-5,541.36

Finding the Fourth Proportional to 19,580.88, 29,373.12 and 5,541.36

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Solution

The fourth proportional to 19,580.88, 29,373.12 and 5,541.36 is: 8,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.88 : 29,373.12 = 5,541.36 : x
  2. Step 2: Convert to fraction form
    19,580.88/29,373.12 = 5,541.36/x
  3. Step 3: Cross multiply
    19,580.88x = 29,373.12 × 5,541.36
  4. Step 4: Simplify right side
    19,580.88x = 162,767,032.24
  5. Step 5: Solve for x
    x = 162,767,032.24/19,580.88
  6. Step 6: Final answer
    x = 8,312.55

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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.