Home / 16,870.76-23,284.49-9,801.28

Finding the Fourth Proportional to 16,870.76, 23,284.49 and 9,801.28

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Solution

The fourth proportional to 16,870.76, 23,284.49 and 9,801.28 is: 13,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.76 : 23,284.49 = 9,801.28 : x
  2. Step 2: Convert to fraction form
    16,870.76/23,284.49 = 9,801.28/x
  3. Step 3: Cross multiply
    16,870.76x = 23,284.49 × 9,801.28
  4. Step 4: Simplify right side
    16,870.76x = 228,217,754.06
  5. Step 5: Solve for x
    x = 228,217,754.06/16,870.76
  6. Step 6: Final answer
    x = 13,527.42

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Double 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.