Home / 13,896.18-19,176.70-7,522.74

Finding the Fourth Proportional to 13,896.18, 19,176.70 and 7,522.74

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Solution

The fourth proportional to 13,896.18, 19,176.70 and 7,522.74 is: 10,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.18 : 19,176.70 = 7,522.74 : x
  2. Step 2: Convert to fraction form
    13,896.18/19,176.70 = 7,522.74/x
  3. Step 3: Cross multiply
    13,896.18x = 19,176.70 × 7,522.74
  4. Step 4: Simplify right side
    13,896.18x = 144,261,328.16
  5. Step 5: Solve for x
    x = 144,261,328.16/13,896.18
  6. Step 6: Final answer
    x = 10,381.37

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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.