Home / 18,575.21-25,633.32-10,398.69

Finding the Fourth Proportional to 18,575.21, 25,633.32 and 10,398.69

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Solution

The fourth proportional to 18,575.21, 25,633.32 and 10,398.69 is: 14,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.21 : 25,633.32 = 10,398.69 : x
  2. Step 2: Convert to fraction form
    18,575.21/25,633.32 = 10,398.69/x
  3. Step 3: Cross multiply
    18,575.21x = 25,633.32 × 10,398.69
  4. Step 4: Simplify right side
    18,575.21x = 266,552,948.35
  5. Step 5: Solve for x
    x = 266,552,948.35/18,575.21
  6. Step 6: Final answer
    x = 14,349.93

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Double scale
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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.