Home / 13,335.84-18,403.23-7,367.76

Finding the Fourth Proportional to 13,335.84, 18,403.23 and 7,367.76

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Solution

The fourth proportional to 13,335.84, 18,403.23 and 7,367.76 is: 10,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.84 : 18,403.23 = 7,367.76 : x
  2. Step 2: Convert to fraction form
    13,335.84/18,403.23 = 7,367.76/x
  3. Step 3: Cross multiply
    13,335.84x = 18,403.23 × 7,367.76
  4. Step 4: Simplify right side
    13,335.84x = 135,590,489.85
  5. Step 5: Solve for x
    x = 135,590,489.85/13,335.84
  6. Step 6: Final answer
    x = 10,167.38

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Half scale
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Double scale
Find fourth proportional to 13,336.84, 18,404.61 and 7,368.76
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.