Home / 15,956.64-23,903.28-12,675.36

Finding the Fourth Proportional to 15,956.64, 23,903.28 and 12,675.36

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Solution

The fourth proportional to 15,956.64, 23,903.28 and 12,675.36 is: 18,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.64 : 23,903.28 = 12,675.36 : x
  2. Step 2: Convert to fraction form
    15,956.64/23,903.28 = 12,675.36/x
  3. Step 3: Cross multiply
    15,956.64x = 23,903.28 × 12,675.36
  4. Step 4: Simplify right side
    15,956.64x = 302,982,679.18
  5. Step 5: Solve for x
    x = 302,982,679.18/15,956.64
  6. Step 6: Final answer
    x = 18,987.87

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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.