Home / 22,182.08-30,621.12-13,804.16

Finding the Fourth Proportional to 22,182.08, 30,621.12 and 13,804.16

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Solution

The fourth proportional to 22,182.08, 30,621.12 and 13,804.16 is: 19,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.08 : 30,621.12 = 13,804.16 : x
  2. Step 2: Convert to fraction form
    22,182.08/30,621.12 = 13,804.16/x
  3. Step 3: Cross multiply
    22,182.08x = 30,621.12 × 13,804.16
  4. Step 4: Simplify right side
    22,182.08x = 422,698,839.86
  5. Step 5: Solve for x
    x = 422,698,839.86/22,182.08
  6. Step 6: Final answer
    x = 19,055.87

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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.