Home / 13,253.66-19,875.48-5,353.52

Finding the Fourth Proportional to 13,253.66, 19,875.48 and 5,353.52

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Solution

The fourth proportional to 13,253.66, 19,875.48 and 5,353.52 is: 8,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.66 : 19,875.48 = 5,353.52 : x
  2. Step 2: Convert to fraction form
    13,253.66/19,875.48 = 5,353.52/x
  3. Step 3: Cross multiply
    13,253.66x = 19,875.48 × 5,353.52
  4. Step 4: Simplify right side
    13,253.66x = 106,403,779.69
  5. Step 5: Solve for x
    x = 106,403,779.69/13,253.66
  6. Step 6: Final answer
    x = 8,028.26

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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.