Home / 19,508.52-26,915.04-11,009.55

Finding the Fourth Proportional to 19,508.52, 26,915.04 and 11,009.55

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Solution

The fourth proportional to 19,508.52, 26,915.04 and 11,009.55 is: 15,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.52 : 26,915.04 = 11,009.55 : x
  2. Step 2: Convert to fraction form
    19,508.52/26,915.04 = 11,009.55/x
  3. Step 3: Cross multiply
    19,508.52x = 26,915.04 × 11,009.55
  4. Step 4: Simplify right side
    19,508.52x = 296,322,478.63
  5. Step 5: Solve for x
    x = 296,322,478.63/19,508.52
  6. Step 6: Final answer
    x = 15,189.39

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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.