Home / 15,342.74-23,014.13-4,813.57

Finding the Fourth Proportional to 15,342.74, 23,014.13 and 4,813.57

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Solution

The fourth proportional to 15,342.74, 23,014.13 and 4,813.57 is: 7,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.74 : 23,014.13 = 4,813.57 : x
  2. Step 2: Convert to fraction form
    15,342.74/23,014.13 = 4,813.57/x
  3. Step 3: Cross multiply
    15,342.74x = 23,014.13 × 4,813.57
  4. Step 4: Simplify right side
    15,342.74x = 110,780,106.33
  5. Step 5: Solve for x
    x = 110,780,106.33/15,342.74
  6. Step 6: Final answer
    x = 7,220.36

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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.