Home / 55,605.04-83,398.74-18,164.80

Finding the Fourth Proportional to 55,605.04, 83,398.74 and 18,164.80

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Solution

The fourth proportional to 55,605.04, 83,398.74 and 18,164.80 is: 27,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.04 : 83,398.74 = 18,164.80 : x
  2. Step 2: Convert to fraction form
    55,605.04/83,398.74 = 18,164.80/x
  3. Step 3: Cross multiply
    55,605.04x = 83,398.74 × 18,164.80
  4. Step 4: Simplify right side
    55,605.04x = 1,514,921,432.35
  5. Step 5: Solve for x
    x = 1,514,921,432.35/55,605.04
  6. Step 6: Final answer
    x = 27,244.32

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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.