Home / 15,647.31-23,470.74-3,801.17

Finding the Fourth Proportional to 15,647.31, 23,470.74 and 3,801.17

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Solution

The fourth proportional to 15,647.31, 23,470.74 and 3,801.17 is: 5,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.31 : 23,470.74 = 3,801.17 : x
  2. Step 2: Convert to fraction form
    15,647.31/23,470.74 = 3,801.17/x
  3. Step 3: Cross multiply
    15,647.31x = 23,470.74 × 3,801.17
  4. Step 4: Simplify right side
    15,647.31x = 89,216,272.77
  5. Step 5: Solve for x
    x = 89,216,272.77/15,647.31
  6. Step 6: Final answer
    x = 5,701.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.