Home / 14,501.60-20,012.12-8,214.24

Finding the Fourth Proportional to 14,501.60, 20,012.12 and 8,214.24

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Solution

The fourth proportional to 14,501.60, 20,012.12 and 8,214.24 is: 11,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.60 : 20,012.12 = 8,214.24 : x
  2. Step 2: Convert to fraction form
    14,501.60/20,012.12 = 8,214.24/x
  3. Step 3: Cross multiply
    14,501.60x = 20,012.12 × 8,214.24
  4. Step 4: Simplify right side
    14,501.60x = 164,384,356.59
  5. Step 5: Solve for x
    x = 164,384,356.59/14,501.60
  6. Step 6: Final answer
    x = 11,335.60

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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.