Home / 55,743.04-83,615.64-13,623.22

Finding the Fourth Proportional to 55,743.04, 83,615.64 and 13,623.22

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Solution

The fourth proportional to 55,743.04, 83,615.64 and 13,623.22 is: 20,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.04 : 83,615.64 = 13,623.22 : x
  2. Step 2: Convert to fraction form
    55,743.04/83,615.64 = 13,623.22/x
  3. Step 3: Cross multiply
    55,743.04x = 83,615.64 × 13,623.22
  4. Step 4: Simplify right side
    55,743.04x = 1,139,114,259.16
  5. Step 5: Solve for x
    x = 1,139,114,259.16/55,743.04
  6. Step 6: Final answer
    x = 20,435.09

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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.