Home / 14,129.11-19,501.76-9,654.67

Finding the Fourth Proportional to 14,129.11, 19,501.76 and 9,654.67

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Solution

The fourth proportional to 14,129.11, 19,501.76 and 9,654.67 is: 13,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.11 : 19,501.76 = 9,654.67 : x
  2. Step 2: Convert to fraction form
    14,129.11/19,501.76 = 9,654.67/x
  3. Step 3: Cross multiply
    14,129.11x = 19,501.76 × 9,654.67
  4. Step 4: Simplify right side
    14,129.11x = 188,283,057.22
  5. Step 5: Solve for x
    x = 188,283,057.22/14,129.11
  6. Step 6: Final answer
    x = 13,325.90

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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.