Home / 24,000.42-33,120.68-13,390.50

Finding the Fourth Proportional to 24,000.42, 33,120.68 and 13,390.50

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Solution

The fourth proportional to 24,000.42, 33,120.68 and 13,390.50 is: 18,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,000.42 : 33,120.68 = 13,390.50 : x
  2. Step 2: Convert to fraction form
    24,000.42/33,120.68 = 13,390.50/x
  3. Step 3: Cross multiply
    24,000.42x = 33,120.68 × 13,390.50
  4. Step 4: Simplify right side
    24,000.42x = 443,502,398.59
  5. Step 5: Solve for x
    x = 443,502,398.59/24,000.42
  6. Step 6: Final answer
    x = 18,478.94

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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.