Home / 15,820.61-23,730.11-4,727.39

Finding the Fourth Proportional to 15,820.61, 23,730.11 and 4,727.39

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Solution

The fourth proportional to 15,820.61, 23,730.11 and 4,727.39 is: 7,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.61 : 23,730.11 = 4,727.39 : x
  2. Step 2: Convert to fraction form
    15,820.61/23,730.11 = 4,727.39/x
  3. Step 3: Cross multiply
    15,820.61x = 23,730.11 × 4,727.39
  4. Step 4: Simplify right side
    15,820.61x = 112,181,461.08
  5. Step 5: Solve for x
    x = 112,181,461.08/15,820.61
  6. Step 6: Final answer
    x = 7,090.84

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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.