Home / 18,717.30-25,830.72-10,762.02

Finding the Fourth Proportional to 18,717.30, 25,830.72 and 10,762.02

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Solution

The fourth proportional to 18,717.30, 25,830.72 and 10,762.02 is: 14,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.30 : 25,830.72 = 10,762.02 : x
  2. Step 2: Convert to fraction form
    18,717.30/25,830.72 = 10,762.02/x
  3. Step 3: Cross multiply
    18,717.30x = 25,830.72 × 10,762.02
  4. Step 4: Simplify right side
    18,717.30x = 277,990,725.25
  5. Step 5: Solve for x
    x = 277,990,725.25/18,717.30
  6. Step 6: Final answer
    x = 14,852.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.