Home / 13,741.13-18,962.76-7,453.50

Finding the Fourth Proportional to 13,741.13, 18,962.76 and 7,453.50

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Solution

The fourth proportional to 13,741.13, 18,962.76 and 7,453.50 is: 10,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.13 : 18,962.76 = 7,453.50 : x
  2. Step 2: Convert to fraction form
    13,741.13/18,962.76 = 7,453.50/x
  3. Step 3: Cross multiply
    13,741.13x = 18,962.76 × 7,453.50
  4. Step 4: Simplify right side
    13,741.13x = 141,338,931.66
  5. Step 5: Solve for x
    x = 141,338,931.66/13,741.13
  6. Step 6: Final answer
    x = 10,285.83

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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.