Home / 24,277.87-36,420.39-12,438.34

Finding the Fourth Proportional to 24,277.87, 36,420.39 and 12,438.34

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Solution

The fourth proportional to 24,277.87, 36,420.39 and 12,438.34 is: 18,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,277.87 : 36,420.39 = 12,438.34 : x
  2. Step 2: Convert to fraction form
    24,277.87/36,420.39 = 12,438.34/x
  3. Step 3: Cross multiply
    24,277.87x = 36,420.39 × 12,438.34
  4. Step 4: Simplify right side
    24,277.87x = 453,009,193.75
  5. Step 5: Solve for x
    x = 453,009,193.75/24,277.87
  6. Step 6: Final answer
    x = 18,659.35

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1.5x scale

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.