Home / 15,762.05-21,751.36-8,592.04

Finding the Fourth Proportional to 15,762.05, 21,751.36 and 8,592.04

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Solution

The fourth proportional to 15,762.05, 21,751.36 and 8,592.04 is: 11,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.05 : 21,751.36 = 8,592.04 : x
  2. Step 2: Convert to fraction form
    15,762.05/21,751.36 = 8,592.04/x
  3. Step 3: Cross multiply
    15,762.05x = 21,751.36 × 8,592.04
  4. Step 4: Simplify right side
    15,762.05x = 186,888,479.32
  5. Step 5: Solve for x
    x = 186,888,479.32/15,762.05
  6. Step 6: Final answer
    x = 11,856.87

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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.