Home / 13,355.10-20,037.29-5,037.51

Finding the Fourth Proportional to 13,355.10, 20,037.29 and 5,037.51

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Solution

The fourth proportional to 13,355.10, 20,037.29 and 5,037.51 is: 7,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.10 : 20,037.29 = 5,037.51 : x
  2. Step 2: Convert to fraction form
    13,355.10/20,037.29 = 5,037.51/x
  3. Step 3: Cross multiply
    13,355.10x = 20,037.29 × 5,037.51
  4. Step 4: Simplify right side
    13,355.10x = 100,938,127.04
  5. Step 5: Solve for x
    x = 100,938,127.04/13,355.10
  6. Step 6: Final answer
    x = 7,558.02

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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.