Home / 16,638.66-22,957.56-9,926.40

Finding the Fourth Proportional to 16,638.66, 22,957.56 and 9,926.40

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Solution

The fourth proportional to 16,638.66, 22,957.56 and 9,926.40 is: 13,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.66 : 22,957.56 = 9,926.40 : x
  2. Step 2: Convert to fraction form
    16,638.66/22,957.56 = 9,926.40/x
  3. Step 3: Cross multiply
    16,638.66x = 22,957.56 × 9,926.40
  4. Step 4: Simplify right side
    16,638.66x = 227,885,923.58
  5. Step 5: Solve for x
    x = 227,885,923.58/16,638.66
  6. Step 6: Final answer
    x = 13,696.17

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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.