Home / 13,701.03-18,907.41-7,732.74

Finding the Fourth Proportional to 13,701.03, 18,907.41 and 7,732.74

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Solution

The fourth proportional to 13,701.03, 18,907.41 and 7,732.74 is: 10,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.03 : 18,907.41 = 7,732.74 : x
  2. Step 2: Convert to fraction form
    13,701.03/18,907.41 = 7,732.74/x
  3. Step 3: Cross multiply
    13,701.03x = 18,907.41 × 7,732.74
  4. Step 4: Simplify right side
    13,701.03x = 146,206,085.60
  5. Step 5: Solve for x
    x = 146,206,085.60/13,701.03
  6. Step 6: Final answer
    x = 10,671.17

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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.