Home / 19,522.56-26,915.70-12,446.40

Finding the Fourth Proportional to 19,522.56, 26,915.70 and 12,446.40

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Solution

The fourth proportional to 19,522.56, 26,915.70 and 12,446.40 is: 17,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,522.56 : 26,915.70 = 12,446.40 : x
  2. Step 2: Convert to fraction form
    19,522.56/26,915.70 = 12,446.40/x
  3. Step 3: Cross multiply
    19,522.56x = 26,915.70 × 12,446.40
  4. Step 4: Simplify right side
    19,522.56x = 335,003,568.48
  5. Step 5: Solve for x
    x = 335,003,568.48/19,522.56
  6. Step 6: Final answer
    x = 17,159.82

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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.