Home / 13,492.72-20,237.64-4,258

Finding the Fourth Proportional to 13,492.72, 20,237.64 and 4,258

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Solution

The fourth proportional to 13,492.72, 20,237.64 and 4,258 is: 6,386.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.72 : 20,237.64 = 4,258 : x
  2. Step 2: Convert to fraction form
    13,492.72/20,237.64 = 4,258/x
  3. Step 3: Cross multiply
    13,492.72x = 20,237.64 × 4,258
  4. Step 4: Simplify right side
    13,492.72x = 86,171,871.12
  5. Step 5: Solve for x
    x = 86,171,871.12/13,492.72
  6. Step 6: Final answer
    x = 6,386.55

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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.