Home / 14,784.44-20,402.60-8,070.22

Finding the Fourth Proportional to 14,784.44, 20,402.60 and 8,070.22

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Solution

The fourth proportional to 14,784.44, 20,402.60 and 8,070.22 is: 11,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.44 : 20,402.60 = 8,070.22 : x
  2. Step 2: Convert to fraction form
    14,784.44/20,402.60 = 8,070.22/x
  3. Step 3: Cross multiply
    14,784.44x = 20,402.60 × 8,070.22
  4. Step 4: Simplify right side
    14,784.44x = 164,653,470.57
  5. Step 5: Solve for x
    x = 164,653,470.57/14,784.44
  6. Step 6: Final answer
    x = 11,136.94

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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.