Home / 14,784.24-20,397.60-8,495.40

Finding the Fourth Proportional to 14,784.24, 20,397.60 and 8,495.40

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Solution

The fourth proportional to 14,784.24, 20,397.60 and 8,495.40 is: 11,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.24 : 20,397.60 = 8,495.40 : x
  2. Step 2: Convert to fraction form
    14,784.24/20,397.60 = 8,495.40/x
  3. Step 3: Cross multiply
    14,784.24x = 20,397.60 × 8,495.40
  4. Step 4: Simplify right side
    14,784.24x = 173,285,771.04
  5. Step 5: Solve for x
    x = 173,285,771.04/14,784.24
  6. Step 6: Final answer
    x = 11,720.98

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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.