Home / 21,593.40-29,792.70-14,880.84

Finding the Fourth Proportional to 21,593.40, 29,792.70 and 14,880.84

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Solution

The fourth proportional to 21,593.40, 29,792.70 and 14,880.84 is: 20,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.40 : 29,792.70 = 14,880.84 : x
  2. Step 2: Convert to fraction form
    21,593.40/29,792.70 = 14,880.84/x
  3. Step 3: Cross multiply
    21,593.40x = 29,792.70 × 14,880.84
  4. Step 4: Simplify right side
    21,593.40x = 443,340,401.87
  5. Step 5: Solve for x
    x = 443,340,401.87/21,593.40
  6. Step 6: Final answer
    x = 20,531.29

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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.