Home / 19,792.13-27,312.46-11,294.72

Finding the Fourth Proportional to 19,792.13, 27,312.46 and 11,294.72

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Solution

The fourth proportional to 19,792.13, 27,312.46 and 11,294.72 is: 15,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.13 : 27,312.46 = 11,294.72 : x
  2. Step 2: Convert to fraction form
    19,792.13/27,312.46 = 11,294.72/x
  3. Step 3: Cross multiply
    19,792.13x = 27,312.46 × 11,294.72
  4. Step 4: Simplify right side
    19,792.13x = 308,486,588.21
  5. Step 5: Solve for x
    x = 308,486,588.21/19,792.13
  6. Step 6: Final answer
    x = 15,586.33

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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.