Home / 13,699.96-20,501.70-10,182.76

Finding the Fourth Proportional to 13,699.96, 20,501.70 and 10,182.76

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Solution

The fourth proportional to 13,699.96, 20,501.70 and 10,182.76 is: 15,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.96 : 20,501.70 = 10,182.76 : x
  2. Step 2: Convert to fraction form
    13,699.96/20,501.70 = 10,182.76/x
  3. Step 3: Cross multiply
    13,699.96x = 20,501.70 × 10,182.76
  4. Step 4: Simplify right side
    13,699.96x = 208,763,890.69
  5. Step 5: Solve for x
    x = 208,763,890.69/13,699.96
  6. Step 6: Final answer
    x = 15,238.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.