Home / 13,068.32-18,034.32-8,357.60

Finding the Fourth Proportional to 13,068.32, 18,034.32 and 8,357.60

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Solution

The fourth proportional to 13,068.32, 18,034.32 and 8,357.60 is: 11,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.32 : 18,034.32 = 8,357.60 : x
  2. Step 2: Convert to fraction form
    13,068.32/18,034.32 = 8,357.60/x
  3. Step 3: Cross multiply
    13,068.32x = 18,034.32 × 8,357.60
  4. Step 4: Simplify right side
    13,068.32x = 150,723,632.83
  5. Step 5: Solve for x
    x = 150,723,632.83/13,068.32
  6. Step 6: Final answer
    x = 11,533.51

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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.