Home / 13,346.86-20,037.30-10,886.50

Finding the Fourth Proportional to 13,346.86, 20,037.30 and 10,886.50

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Solution

The fourth proportional to 13,346.86, 20,037.30 and 10,886.50 is: 16,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.86 : 20,037.30 = 10,886.50 : x
  2. Step 2: Convert to fraction form
    13,346.86/20,037.30 = 10,886.50/x
  3. Step 3: Cross multiply
    13,346.86x = 20,037.30 × 10,886.50
  4. Step 4: Simplify right side
    13,346.86x = 218,136,066.45
  5. Step 5: Solve for x
    x = 218,136,066.45/13,346.86
  6. Step 6: Final answer
    x = 16,343.62

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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.