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Finding the Fourth Proportional to 18,855.54, 26,030.25 and 14,597.10

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Solution

The fourth proportional to 18,855.54, 26,030.25 and 14,597.10 is: 20,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.54 : 26,030.25 = 14,597.10 : x
  2. Step 2: Convert to fraction form
    18,855.54/26,030.25 = 14,597.10/x
  3. Step 3: Cross multiply
    18,855.54x = 26,030.25 × 14,597.10
  4. Step 4: Simplify right side
    18,855.54x = 379,966,162.28
  5. Step 5: Solve for x
    x = 379,966,162.28/18,855.54
  6. Step 6: Final answer
    x = 20,151.43

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Similar ratio
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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.