Home / 16,770.02-23,140.86-9,698.72

Finding the Fourth Proportional to 16,770.02, 23,140.86 and 9,698.72

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Solution

The fourth proportional to 16,770.02, 23,140.86 and 9,698.72 is: 13,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.02 : 23,140.86 = 9,698.72 : x
  2. Step 2: Convert to fraction form
    16,770.02/23,140.86 = 9,698.72/x
  3. Step 3: Cross multiply
    16,770.02x = 23,140.86 × 9,698.72
  4. Step 4: Simplify right side
    16,770.02x = 224,436,721.70
  5. Step 5: Solve for x
    x = 224,436,721.70/16,770.02
  6. Step 6: Final answer
    x = 13,383.21

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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.