Home / 19,527.92-29,248.12-11,720.60

Finding the Fourth Proportional to 19,527.92, 29,248.12 and 11,720.60

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Solution

The fourth proportional to 19,527.92, 29,248.12 and 11,720.60 is: 17,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,527.92 : 29,248.12 = 11,720.60 : x
  2. Step 2: Convert to fraction form
    19,527.92/29,248.12 = 11,720.60/x
  3. Step 3: Cross multiply
    19,527.92x = 29,248.12 × 11,720.60
  4. Step 4: Simplify right side
    19,527.92x = 342,805,515.27
  5. Step 5: Solve for x
    x = 342,805,515.27/19,527.92
  6. Step 6: Final answer
    x = 17,554.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.