Home / 24,818.50-34,278.78-16,420.42

Finding the Fourth Proportional to 24,818.50, 34,278.78 and 16,420.42

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Solution

The fourth proportional to 24,818.50, 34,278.78 and 16,420.42 is: 22,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,818.50 : 34,278.78 = 16,420.42 : x
  2. Step 2: Convert to fraction form
    24,818.50/34,278.78 = 16,420.42/x
  3. Step 3: Cross multiply
    24,818.50x = 34,278.78 × 16,420.42
  4. Step 4: Simplify right side
    24,818.50x = 562,871,964.69
  5. Step 5: Solve for x
    x = 562,871,964.69/24,818.50
  6. Step 6: Final answer
    x = 22,679.53

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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.