Home / 15,676.55-21,632.21-9,302.04

Finding the Fourth Proportional to 15,676.55, 21,632.21 and 9,302.04

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Solution

The fourth proportional to 15,676.55, 21,632.21 and 9,302.04 is: 12,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.55 : 21,632.21 = 9,302.04 : x
  2. Step 2: Convert to fraction form
    15,676.55/21,632.21 = 9,302.04/x
  3. Step 3: Cross multiply
    15,676.55x = 21,632.21 × 9,302.04
  4. Step 4: Simplify right side
    15,676.55x = 201,223,649.82
  5. Step 5: Solve for x
    x = 201,223,649.82/15,676.55
  6. Step 6: Final answer
    x = 12,835.97

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1.5x scale

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.