Home / 55,669.80-83,503.48-13,550.08

Finding the Fourth Proportional to 55,669.80, 83,503.48 and 13,550.08

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Solution

The fourth proportional to 55,669.80, 83,503.48 and 13,550.08 is: 20,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,669.80 : 83,503.48 = 13,550.08 : x
  2. Step 2: Convert to fraction form
    55,669.80/83,503.48 = 13,550.08/x
  3. Step 3: Cross multiply
    55,669.80x = 83,503.48 × 13,550.08
  4. Step 4: Simplify right side
    55,669.80x = 1,131,478,834.28
  5. Step 5: Solve for x
    x = 1,131,478,834.28/55,669.80
  6. Step 6: Final answer
    x = 20,324.82

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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.