Home / 16,478.38-24,720.05-4,790.08

Finding the Fourth Proportional to 16,478.38, 24,720.05 and 4,790.08

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Solution

The fourth proportional to 16,478.38, 24,720.05 and 4,790.08 is: 7,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.38 : 24,720.05 = 4,790.08 : x
  2. Step 2: Convert to fraction form
    16,478.38/24,720.05 = 4,790.08/x
  3. Step 3: Cross multiply
    16,478.38x = 24,720.05 × 4,790.08
  4. Step 4: Simplify right side
    16,478.38x = 118,411,017.10
  5. Step 5: Solve for x
    x = 118,411,017.10/16,478.38
  6. Step 6: Final answer
    x = 7,185.84

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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.