Home / 17,745.40-26,618.10-9,953.20

Finding the Fourth Proportional to 17,745.40, 26,618.10 and 9,953.20

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Solution

The fourth proportional to 17,745.40, 26,618.10 and 9,953.20 is: 14,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.40 : 26,618.10 = 9,953.20 : x
  2. Step 2: Convert to fraction form
    17,745.40/26,618.10 = 9,953.20/x
  3. Step 3: Cross multiply
    17,745.40x = 26,618.10 × 9,953.20
  4. Step 4: Simplify right side
    17,745.40x = 264,935,272.92
  5. Step 5: Solve for x
    x = 264,935,272.92/17,745.40
  6. Step 6: Final answer
    x = 14,929.80

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Similar ratio
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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.