Home / 16,634.34-22,953.21-9,920.76

Finding the Fourth Proportional to 16,634.34, 22,953.21 and 9,920.76

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Solution

The fourth proportional to 16,634.34, 22,953.21 and 9,920.76 is: 13,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,634.34 : 22,953.21 = 9,920.76 : x
  2. Step 2: Convert to fraction form
    16,634.34/22,953.21 = 9,920.76/x
  3. Step 3: Cross multiply
    16,634.34x = 22,953.21 × 9,920.76
  4. Step 4: Simplify right side
    16,634.34x = 227,713,287.64
  5. Step 5: Solve for x
    x = 227,713,287.64/16,634.34
  6. Step 6: Final answer
    x = 13,689.35

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Half scale
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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.