Home / 16,915.36-25,370.52-4,435.60

Finding the Fourth Proportional to 16,915.36, 25,370.52 and 4,435.60

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Solution

The fourth proportional to 16,915.36, 25,370.52 and 4,435.60 is: 6,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.36 : 25,370.52 = 4,435.60 : x
  2. Step 2: Convert to fraction form
    16,915.36/25,370.52 = 4,435.60/x
  3. Step 3: Cross multiply
    16,915.36x = 25,370.52 × 4,435.60
  4. Step 4: Simplify right side
    16,915.36x = 112,533,478.51
  5. Step 5: Solve for x
    x = 112,533,478.51/16,915.36
  6. Step 6: Final answer
    x = 6,652.74

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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.