Home / 13,606.08-20,412.36-4,841.76

Finding the Fourth Proportional to 13,606.08, 20,412.36 and 4,841.76

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Solution

The fourth proportional to 13,606.08, 20,412.36 and 4,841.76 is: 7,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.08 : 20,412.36 = 4,841.76 : x
  2. Step 2: Convert to fraction form
    13,606.08/20,412.36 = 4,841.76/x
  3. Step 3: Cross multiply
    13,606.08x = 20,412.36 × 4,841.76
  4. Step 4: Simplify right side
    13,606.08x = 98,831,748.15
  5. Step 5: Solve for x
    x = 98,831,748.15/13,606.08
  6. Step 6: Final answer
    x = 7,263.79

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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.