Home / 24,043.20-33,178.40-13,430.72

Finding the Fourth Proportional to 24,043.20, 33,178.40 and 13,430.72

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Solution

The fourth proportional to 24,043.20, 33,178.40 and 13,430.72 is: 18,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,043.20 : 33,178.40 = 13,430.72 : x
  2. Step 2: Convert to fraction form
    24,043.20/33,178.40 = 13,430.72/x
  3. Step 3: Cross multiply
    24,043.20x = 33,178.40 × 13,430.72
  4. Step 4: Simplify right side
    24,043.20x = 445,609,800.45
  5. Step 5: Solve for x
    x = 445,609,800.45/24,043.20
  6. Step 6: Final answer
    x = 18,533.71

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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.