Home / 13,807.28-20,698.50-5,036.06

Finding the Fourth Proportional to 13,807.28, 20,698.50 and 5,036.06

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Solution

The fourth proportional to 13,807.28, 20,698.50 and 5,036.06 is: 7,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.28 : 20,698.50 = 5,036.06 : x
  2. Step 2: Convert to fraction form
    13,807.28/20,698.50 = 5,036.06/x
  3. Step 3: Cross multiply
    13,807.28x = 20,698.50 × 5,036.06
  4. Step 4: Simplify right side
    13,807.28x = 104,238,887.91
  5. Step 5: Solve for x
    x = 104,238,887.91/13,807.28
  6. Step 6: Final answer
    x = 7,549.56

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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.