Home / 16,661.32-24,989.10-4,971.40

Finding the Fourth Proportional to 16,661.32, 24,989.10 and 4,971.40

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Solution

The fourth proportional to 16,661.32, 24,989.10 and 4,971.40 is: 7,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.32 : 24,989.10 = 4,971.40 : x
  2. Step 2: Convert to fraction form
    16,661.32/24,989.10 = 4,971.40/x
  3. Step 3: Cross multiply
    16,661.32x = 24,989.10 × 4,971.40
  4. Step 4: Simplify right side
    16,661.32x = 124,230,811.74
  5. Step 5: Solve for x
    x = 124,230,811.74/16,661.32
  6. Step 6: Final answer
    x = 7,456.24

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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.