Home / 18,824.34-25,977.50-10,440.84

Finding the Fourth Proportional to 18,824.34, 25,977.50 and 10,440.84

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Solution

The fourth proportional to 18,824.34, 25,977.50 and 10,440.84 is: 14,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.34 : 25,977.50 = 10,440.84 : x
  2. Step 2: Convert to fraction form
    18,824.34/25,977.50 = 10,440.84/x
  3. Step 3: Cross multiply
    18,824.34x = 25,977.50 × 10,440.84
  4. Step 4: Simplify right side
    18,824.34x = 271,226,921.10
  5. Step 5: Solve for x
    x = 271,226,921.10/18,824.34
  6. Step 6: Final answer
    x = 14,408.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.