Home / 35,705.68-53,566.02-13,518.56

Finding the Fourth Proportional to 35,705.68, 53,566.02 and 13,518.56

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Solution

The fourth proportional to 35,705.68, 53,566.02 and 13,518.56 is: 20,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.68 : 53,566.02 = 13,518.56 : x
  2. Step 2: Convert to fraction form
    35,705.68/53,566.02 = 13,518.56/x
  3. Step 3: Cross multiply
    35,705.68x = 53,566.02 × 13,518.56
  4. Step 4: Simplify right side
    35,705.68x = 724,135,589.25
  5. Step 5: Solve for x
    x = 724,135,589.25/35,705.68
  6. Step 6: Final answer
    x = 20,280.68

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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.