Home / 19,553.72-29,332.32-5,513.89

Finding the Fourth Proportional to 19,553.72, 29,332.32 and 5,513.89

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Solution

The fourth proportional to 19,553.72, 29,332.32 and 5,513.89 is: 8,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.72 : 29,332.32 = 5,513.89 : x
  2. Step 2: Convert to fraction form
    19,553.72/29,332.32 = 5,513.89/x
  3. Step 3: Cross multiply
    19,553.72x = 29,332.32 × 5,513.89
  4. Step 4: Simplify right side
    19,553.72x = 161,735,039.26
  5. Step 5: Solve for x
    x = 161,735,039.26/19,553.72
  6. Step 6: Final answer
    x = 8,271.32

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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.