Home / 18,383.30-25,356.98-10,823.28

Finding the Fourth Proportional to 18,383.30, 25,356.98 and 10,823.28

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Solution

The fourth proportional to 18,383.30, 25,356.98 and 10,823.28 is: 14,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.30 : 25,356.98 = 10,823.28 : x
  2. Step 2: Convert to fraction form
    18,383.30/25,356.98 = 10,823.28/x
  3. Step 3: Cross multiply
    18,383.30x = 25,356.98 × 10,823.28
  4. Step 4: Simplify right side
    18,383.30x = 274,445,694.49
  5. Step 5: Solve for x
    x = 274,445,694.49/18,383.30
  6. Step 6: Final answer
    x = 14,929.08

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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.