Home / 18,336.57-25,304.76-9,953.07

Finding the Fourth Proportional to 18,336.57, 25,304.76 and 9,953.07

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Solution

The fourth proportional to 18,336.57, 25,304.76 and 9,953.07 is: 13,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.57 : 25,304.76 = 9,953.07 : x
  2. Step 2: Convert to fraction form
    18,336.57/25,304.76 = 9,953.07/x
  3. Step 3: Cross multiply
    18,336.57x = 25,304.76 × 9,953.07
  4. Step 4: Simplify right side
    18,336.57x = 251,860,047.61
  5. Step 5: Solve for x
    x = 251,860,047.61/18,336.57
  6. Step 6: Final answer
    x = 13,735.40

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Half scale
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Double scale
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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.