Home / 18,428.45-25,431.26-10,044.95

Finding the Fourth Proportional to 18,428.45, 25,431.26 and 10,044.95

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Solution

The fourth proportional to 18,428.45, 25,431.26 and 10,044.95 is: 13,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.45 : 25,431.26 = 10,044.95 : x
  2. Step 2: Convert to fraction form
    18,428.45/25,431.26 = 10,044.95/x
  3. Step 3: Cross multiply
    18,428.45x = 25,431.26 × 10,044.95
  4. Step 4: Simplify right side
    18,428.45x = 255,455,557.76
  5. Step 5: Solve for x
    x = 255,455,557.76/18,428.45
  6. Step 6: Final answer
    x = 13,862.02

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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.