Home / 19,515.48-26,928.54-11,558.04

Finding the Fourth Proportional to 19,515.48, 26,928.54 and 11,558.04

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Solution

The fourth proportional to 19,515.48, 26,928.54 and 11,558.04 is: 15,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.48 : 26,928.54 = 11,558.04 : x
  2. Step 2: Convert to fraction form
    19,515.48/26,928.54 = 11,558.04/x
  3. Step 3: Cross multiply
    19,515.48x = 26,928.54 × 11,558.04
  4. Step 4: Simplify right side
    19,515.48x = 311,241,142.46
  5. Step 5: Solve for x
    x = 311,241,142.46/19,515.48
  6. Step 6: Final answer
    x = 15,948.42

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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.