Home / 12,533.17-18,783.51-9,388.39

Finding the Fourth Proportional to 12,533.17, 18,783.51 and 9,388.39

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Solution

The fourth proportional to 12,533.17, 18,783.51 and 9,388.39 is: 14,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.17 : 18,783.51 = 9,388.39 : x
  2. Step 2: Convert to fraction form
    12,533.17/18,783.51 = 9,388.39/x
  3. Step 3: Cross multiply
    12,533.17x = 18,783.51 × 9,388.39
  4. Step 4: Simplify right side
    12,533.17x = 176,346,917.45
  5. Step 5: Solve for x
    x = 176,346,917.45/12,533.17
  6. Step 6: Final answer
    x = 14,070.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.