Home / 15,721.68-23,590.80-6,962.64

Finding the Fourth Proportional to 15,721.68, 23,590.80 and 6,962.64

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Solution

The fourth proportional to 15,721.68, 23,590.80 and 6,962.64 is: 10,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.68 : 23,590.80 = 6,962.64 : x
  2. Step 2: Convert to fraction form
    15,721.68/23,590.80 = 6,962.64/x
  3. Step 3: Cross multiply
    15,721.68x = 23,590.80 × 6,962.64
  4. Step 4: Simplify right side
    15,721.68x = 164,254,247.71
  5. Step 5: Solve for x
    x = 164,254,247.71/15,721.68
  6. Step 6: Final answer
    x = 10,447.63

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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.