Home / 14,806.48-20,432.96-8,520.08

Finding the Fourth Proportional to 14,806.48, 20,432.96 and 8,520.08

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Solution

The fourth proportional to 14,806.48, 20,432.96 and 8,520.08 is: 11,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.48 : 20,432.96 = 8,520.08 : x
  2. Step 2: Convert to fraction form
    14,806.48/20,432.96 = 8,520.08/x
  3. Step 3: Cross multiply
    14,806.48x = 20,432.96 × 8,520.08
  4. Step 4: Simplify right side
    14,806.48x = 174,090,453.84
  5. Step 5: Solve for x
    x = 174,090,453.84/14,806.48
  6. Step 6: Final answer
    x = 11,757.72

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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.