Home / 16,427.22-22,668.30-9,712.32

Finding the Fourth Proportional to 16,427.22, 22,668.30 and 9,712.32

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Solution

The fourth proportional to 16,427.22, 22,668.30 and 9,712.32 is: 13,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,427.22 : 22,668.30 = 9,712.32 : x
  2. Step 2: Convert to fraction form
    16,427.22/22,668.30 = 9,712.32/x
  3. Step 3: Cross multiply
    16,427.22x = 22,668.30 × 9,712.32
  4. Step 4: Simplify right side
    16,427.22x = 220,161,783.46
  5. Step 5: Solve for x
    x = 220,161,783.46/16,427.22
  6. Step 6: Final answer
    x = 13,402.25

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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.