Home / 16,821.52-25,203.56-11,881.63

Finding the Fourth Proportional to 16,821.52, 25,203.56 and 11,881.63

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Solution

The fourth proportional to 16,821.52, 25,203.56 and 11,881.63 is: 17,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.52 : 25,203.56 = 11,881.63 : x
  2. Step 2: Convert to fraction form
    16,821.52/25,203.56 = 11,881.63/x
  3. Step 3: Cross multiply
    16,821.52x = 25,203.56 × 11,881.63
  4. Step 4: Simplify right side
    16,821.52x = 299,459,341.30
  5. Step 5: Solve for x
    x = 299,459,341.30/16,821.52
  6. Step 6: Final answer
    x = 17,802.16

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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.