Home / 13,526.48-20,290.32-5,203.53

Finding the Fourth Proportional to 13,526.48, 20,290.32 and 5,203.53

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Solution

The fourth proportional to 13,526.48, 20,290.32 and 5,203.53 is: 7,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.48 : 20,290.32 = 5,203.53 : x
  2. Step 2: Convert to fraction form
    13,526.48/20,290.32 = 5,203.53/x
  3. Step 3: Cross multiply
    13,526.48x = 20,290.32 × 5,203.53
  4. Step 4: Simplify right side
    13,526.48x = 105,581,288.83
  5. Step 5: Solve for x
    x = 105,581,288.83/13,526.48
  6. Step 6: Final answer
    x = 7,805.53

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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.