Home / 55,670.13-83,503.98-13,550.43

Finding the Fourth Proportional to 55,670.13, 83,503.98 and 13,550.43

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Solution

The fourth proportional to 55,670.13, 83,503.98 and 13,550.43 is: 20,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,670.13 : 83,503.98 = 13,550.43 : x
  2. Step 2: Convert to fraction form
    55,670.13/83,503.98 = 13,550.43/x
  3. Step 3: Cross multiply
    55,670.13x = 83,503.98 × 13,550.43
  4. Step 4: Simplify right side
    55,670.13x = 1,131,514,856.83
  5. Step 5: Solve for x
    x = 1,131,514,856.83/55,670.13
  6. Step 6: Final answer
    x = 20,325.35

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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.