Home / 16,422.31-22,664.60-9,347.59

Finding the Fourth Proportional to 16,422.31, 22,664.60 and 9,347.59

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Solution

The fourth proportional to 16,422.31, 22,664.60 and 9,347.59 is: 12,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,422.31 : 22,664.60 = 9,347.59 : x
  2. Step 2: Convert to fraction form
    16,422.31/22,664.60 = 9,347.59/x
  3. Step 3: Cross multiply
    16,422.31x = 22,664.60 × 9,347.59
  4. Step 4: Simplify right side
    16,422.31x = 211,859,341.58
  5. Step 5: Solve for x
    x = 211,859,341.58/16,422.31
  6. Step 6: Final answer
    x = 12,900.70

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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.