Home / 16,128.30-22,244.99-10,748.28

Finding the Fourth Proportional to 16,128.30, 22,244.99 and 10,748.28

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Solution

The fourth proportional to 16,128.30, 22,244.99 and 10,748.28 is: 14,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.30 : 22,244.99 = 10,748.28 : x
  2. Step 2: Convert to fraction form
    16,128.30/22,244.99 = 10,748.28/x
  3. Step 3: Cross multiply
    16,128.30x = 22,244.99 × 10,748.28
  4. Step 4: Simplify right side
    16,128.30x = 239,095,381.12
  5. Step 5: Solve for x
    x = 239,095,381.12/16,128.30
  6. Step 6: Final answer
    x = 14,824.59

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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.