Home / 17,725.72-26,582.34-5,242.40

Finding the Fourth Proportional to 17,725.72, 26,582.34 and 5,242.40

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Solution

The fourth proportional to 17,725.72, 26,582.34 and 5,242.40 is: 7,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,725.72 : 26,582.34 = 5,242.40 : x
  2. Step 2: Convert to fraction form
    17,725.72/26,582.34 = 5,242.40/x
  3. Step 3: Cross multiply
    17,725.72x = 26,582.34 × 5,242.40
  4. Step 4: Simplify right side
    17,725.72x = 139,355,259.22
  5. Step 5: Solve for x
    x = 139,355,259.22/17,725.72
  6. Step 6: Final answer
    x = 7,861.76

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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.