Home / 55,790.21-83,685.27-14,237.21

Finding the Fourth Proportional to 55,790.21, 83,685.27 and 14,237.21

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Solution

The fourth proportional to 55,790.21, 83,685.27 and 14,237.21 is: 21,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,790.21 : 83,685.27 = 14,237.21 : x
  2. Step 2: Convert to fraction form
    55,790.21/83,685.27 = 14,237.21/x
  3. Step 3: Cross multiply
    55,790.21x = 83,685.27 × 14,237.21
  4. Step 4: Simplify right side
    55,790.21x = 1,191,444,762.90
  5. Step 5: Solve for x
    x = 1,191,444,762.90/55,790.21
  6. Step 6: Final answer
    x = 21,355.80

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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.