Home / 24,223.20-36,352.80-12,530.40

Finding the Fourth Proportional to 24,223.20, 36,352.80 and 12,530.40

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Solution

The fourth proportional to 24,223.20, 36,352.80 and 12,530.40 is: 18,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,223.20 : 36,352.80 = 12,530.40 : x
  2. Step 2: Convert to fraction form
    24,223.20/36,352.80 = 12,530.40/x
  3. Step 3: Cross multiply
    24,223.20x = 36,352.80 × 12,530.40
  4. Step 4: Simplify right side
    24,223.20x = 455,515,125.12
  5. Step 5: Solve for x
    x = 455,515,125.12/24,223.20
  6. Step 6: Final answer
    x = 18,804.91

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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.