Home / 14,784.39-20,393.60-10,800.63

Finding the Fourth Proportional to 14,784.39, 20,393.60 and 10,800.63

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Solution

The fourth proportional to 14,784.39, 20,393.60 and 10,800.63 is: 14,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.39 : 20,393.60 = 10,800.63 : x
  2. Step 2: Convert to fraction form
    14,784.39/20,393.60 = 10,800.63/x
  3. Step 3: Cross multiply
    14,784.39x = 20,393.60 × 10,800.63
  4. Step 4: Simplify right side
    14,784.39x = 220,263,673.96
  5. Step 5: Solve for x
    x = 220,263,673.96/14,784.39
  6. Step 6: Final answer
    x = 14,898.39

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Double scale
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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.