Home / 16,880.76-23,295.06-9,326.70

Finding the Fourth Proportional to 16,880.76, 23,295.06 and 9,326.70

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Solution

The fourth proportional to 16,880.76, 23,295.06 and 9,326.70 is: 12,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.76 : 23,295.06 = 9,326.70 : x
  2. Step 2: Convert to fraction form
    16,880.76/23,295.06 = 9,326.70/x
  3. Step 3: Cross multiply
    16,880.76x = 23,295.06 × 9,326.70
  4. Step 4: Simplify right side
    16,880.76x = 217,266,036.10
  5. Step 5: Solve for x
    x = 217,266,036.10/16,880.76
  6. Step 6: Final answer
    x = 12,870.63

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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.