Home / 19,915.26-27,492.39-11,530.14

Finding the Fourth Proportional to 19,915.26, 27,492.39 and 11,530.14

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Solution

The fourth proportional to 19,915.26, 27,492.39 and 11,530.14 is: 15,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.26 : 27,492.39 = 11,530.14 : x
  2. Step 2: Convert to fraction form
    19,915.26/27,492.39 = 11,530.14/x
  3. Step 3: Cross multiply
    19,915.26x = 27,492.39 × 11,530.14
  4. Step 4: Simplify right side
    19,915.26x = 316,991,105.63
  5. Step 5: Solve for x
    x = 316,991,105.63/19,915.26
  6. Step 6: Final answer
    x = 15,917.00

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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.