Home / 16,386.25-24,579.47-4,074.25

Finding the Fourth Proportional to 16,386.25, 24,579.47 and 4,074.25

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Solution

The fourth proportional to 16,386.25, 24,579.47 and 4,074.25 is: 6,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.25 : 24,579.47 = 4,074.25 : x
  2. Step 2: Convert to fraction form
    16,386.25/24,579.47 = 4,074.25/x
  3. Step 3: Cross multiply
    16,386.25x = 24,579.47 × 4,074.25
  4. Step 4: Simplify right side
    16,386.25x = 100,142,905.65
  5. Step 5: Solve for x
    x = 100,142,905.65/16,386.25
  6. Step 6: Final answer
    x = 6,111.40

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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.