Home / 15,224.34-21,013.67-9,257.93

Finding the Fourth Proportional to 15,224.34, 21,013.67 and 9,257.93

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Solution

The fourth proportional to 15,224.34, 21,013.67 and 9,257.93 is: 12,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.34 : 21,013.67 = 9,257.93 : x
  2. Step 2: Convert to fraction form
    15,224.34/21,013.67 = 9,257.93/x
  3. Step 3: Cross multiply
    15,224.34x = 21,013.67 × 9,257.93
  4. Step 4: Simplify right side
    15,224.34x = 194,543,085.90
  5. Step 5: Solve for x
    x = 194,543,085.90/15,224.34
  6. Step 6: Final answer
    x = 12,778.42

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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.