Home / 13,699.93-20,543.51-4,933.70

Finding the Fourth Proportional to 13,699.93, 20,543.51 and 4,933.70

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Solution

The fourth proportional to 13,699.93, 20,543.51 and 4,933.70 is: 7,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.93 : 20,543.51 = 4,933.70 : x
  2. Step 2: Convert to fraction form
    13,699.93/20,543.51 = 4,933.70/x
  3. Step 3: Cross multiply
    13,699.93x = 20,543.51 × 4,933.70
  4. Step 4: Simplify right side
    13,699.93x = 101,355,490.62
  5. Step 5: Solve for x
    x = 101,355,490.62/13,699.93
  6. Step 6: Final answer
    x = 7,398.25

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1.5x scale

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.