Home / 16,478.36-24,720.02-4,790.12

Finding the Fourth Proportional to 16,478.36, 24,720.02 and 4,790.12

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Solution

The fourth proportional to 16,478.36, 24,720.02 and 4,790.12 is: 7,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.36 : 24,720.02 = 4,790.12 : x
  2. Step 2: Convert to fraction form
    16,478.36/24,720.02 = 4,790.12/x
  3. Step 3: Cross multiply
    16,478.36x = 24,720.02 × 4,790.12
  4. Step 4: Simplify right side
    16,478.36x = 118,411,862.20
  5. Step 5: Solve for x
    x = 118,411,862.20/16,478.36
  6. Step 6: Final answer
    x = 7,185.90

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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.