Home / 13,470.08-20,208.32-4,236

Finding the Fourth Proportional to 13,470.08, 20,208.32 and 4,236

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Solution

The fourth proportional to 13,470.08, 20,208.32 and 4,236 is: 6,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.08 : 20,208.32 = 4,236 : x
  2. Step 2: Convert to fraction form
    13,470.08/20,208.32 = 4,236/x
  3. Step 3: Cross multiply
    13,470.08x = 20,208.32 × 4,236
  4. Step 4: Simplify right side
    13,470.08x = 85,602,443.52
  5. Step 5: Solve for x
    x = 85,602,443.52/13,470.08
  6. Step 6: Final answer
    x = 6,355.01

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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.