Home / 15,821.02-23,731.55-6,461.04

Finding the Fourth Proportional to 15,821.02, 23,731.55 and 6,461.04

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Solution

The fourth proportional to 15,821.02, 23,731.55 and 6,461.04 is: 9,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.02 : 23,731.55 = 6,461.04 : x
  2. Step 2: Convert to fraction form
    15,821.02/23,731.55 = 6,461.04/x
  3. Step 3: Cross multiply
    15,821.02x = 23,731.55 × 6,461.04
  4. Step 4: Simplify right side
    15,821.02x = 153,330,477.58
  5. Step 5: Solve for x
    x = 153,330,477.58/15,821.02
  6. Step 6: Final answer
    x = 9,691.57

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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.