Home / 19,915.62-27,479.12-11,527.26

Finding the Fourth Proportional to 19,915.62, 27,479.12 and 11,527.26

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Solution

The fourth proportional to 19,915.62, 27,479.12 and 11,527.26 is: 15,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.62 : 27,479.12 = 11,527.26 : x
  2. Step 2: Convert to fraction form
    19,915.62/27,479.12 = 11,527.26/x
  3. Step 3: Cross multiply
    19,915.62x = 27,479.12 × 11,527.26
  4. Step 4: Simplify right side
    19,915.62x = 316,758,960.81
  5. Step 5: Solve for x
    x = 316,758,960.81/19,915.62
  6. Step 6: Final answer
    x = 15,905.05

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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.