Home / 22,054.44-30,434.22-12,621.72

Finding the Fourth Proportional to 22,054.44, 30,434.22 and 12,621.72

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Solution

The fourth proportional to 22,054.44, 30,434.22 and 12,621.72 is: 17,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054.44 : 30,434.22 = 12,621.72 : x
  2. Step 2: Convert to fraction form
    22,054.44/30,434.22 = 12,621.72/x
  3. Step 3: Cross multiply
    22,054.44x = 30,434.22 × 12,621.72
  4. Step 4: Simplify right side
    22,054.44x = 384,132,203.26
  5. Step 5: Solve for x
    x = 384,132,203.26/22,054.44
  6. Step 6: Final answer
    x = 17,417.45

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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.