Home / 25,440.96-35,102.64-16,021.92

Finding the Fourth Proportional to 25,440.96, 35,102.64 and 16,021.92

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Solution

The fourth proportional to 25,440.96, 35,102.64 and 16,021.92 is: 22,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.96 : 35,102.64 = 16,021.92 : x
  2. Step 2: Convert to fraction form
    25,440.96/35,102.64 = 16,021.92/x
  3. Step 3: Cross multiply
    25,440.96x = 35,102.64 × 16,021.92
  4. Step 4: Simplify right side
    25,440.96x = 562,411,689.87
  5. Step 5: Solve for x
    x = 562,411,689.87/25,440.96
  6. Step 6: Final answer
    x = 22,106.54

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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.