Home / 16,116.84-22,240.56-9,043.20

Finding the Fourth Proportional to 16,116.84, 22,240.56 and 9,043.20

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Solution

The fourth proportional to 16,116.84, 22,240.56 and 9,043.20 is: 12,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.84 : 22,240.56 = 9,043.20 : x
  2. Step 2: Convert to fraction form
    16,116.84/22,240.56 = 9,043.20/x
  3. Step 3: Cross multiply
    16,116.84x = 22,240.56 × 9,043.20
  4. Step 4: Simplify right side
    16,116.84x = 201,125,832.19
  5. Step 5: Solve for x
    x = 201,125,832.19/16,116.84
  6. Step 6: Final answer
    x = 12,479.23

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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.