Home / 16,402.33-22,580.44-15,649.12

Finding the Fourth Proportional to 16,402.33, 22,580.44 and 15,649.12

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Solution

The fourth proportional to 16,402.33, 22,580.44 and 15,649.12 is: 21,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,402.33 : 22,580.44 = 15,649.12 : x
  2. Step 2: Convert to fraction form
    16,402.33/22,580.44 = 15,649.12/x
  3. Step 3: Cross multiply
    16,402.33x = 22,580.44 × 15,649.12
  4. Step 4: Simplify right side
    16,402.33x = 353,364,015.21
  5. Step 5: Solve for x
    x = 353,364,015.21/16,402.33
  6. Step 6: Final answer
    x = 21,543.53

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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.