Home / 13,256.64-19,886.88-4,023.36

Finding the Fourth Proportional to 13,256.64, 19,886.88 and 4,023.36

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Solution

The fourth proportional to 13,256.64, 19,886.88 and 4,023.36 is: 6,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.64 : 19,886.88 = 4,023.36 : x
  2. Step 2: Convert to fraction form
    13,256.64/19,886.88 = 4,023.36/x
  3. Step 3: Cross multiply
    13,256.64x = 19,886.88 × 4,023.36
  4. Step 4: Simplify right side
    13,256.64x = 80,012,077.52
  5. Step 5: Solve for x
    x = 80,012,077.52/13,256.64
  6. Step 6: Final answer
    x = 6,035.62

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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.