Home / 13,655.72-20,483.64-4,771.01

Finding the Fourth Proportional to 13,655.72, 20,483.64 and 4,771.01

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Solution

The fourth proportional to 13,655.72, 20,483.64 and 4,771.01 is: 7,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.72 : 20,483.64 = 4,771.01 : x
  2. Step 2: Convert to fraction form
    13,655.72/20,483.64 = 4,771.01/x
  3. Step 3: Cross multiply
    13,655.72x = 20,483.64 × 4,771.01
  4. Step 4: Simplify right side
    13,655.72x = 97,727,588.14
  5. Step 5: Solve for x
    x = 97,727,588.14/13,655.72
  6. Step 6: Final answer
    x = 7,156.53

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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.