Home / 15,985.32-23,977.11-4,892.01

Finding the Fourth Proportional to 15,985.32, 23,977.11 and 4,892.01

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Solution

The fourth proportional to 15,985.32, 23,977.11 and 4,892.01 is: 7,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.32 : 23,977.11 = 4,892.01 : x
  2. Step 2: Convert to fraction form
    15,985.32/23,977.11 = 4,892.01/x
  3. Step 3: Cross multiply
    15,985.32x = 23,977.11 × 4,892.01
  4. Step 4: Simplify right side
    15,985.32x = 117,296,261.89
  5. Step 5: Solve for x
    x = 117,296,261.89/15,985.32
  6. Step 6: Final answer
    x = 7,337.75

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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.