Home / 55,599.36-83,400.86-18,165.21

Finding the Fourth Proportional to 55,599.36, 83,400.86 and 18,165.21

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Solution

The fourth proportional to 55,599.36, 83,400.86 and 18,165.21 is: 27,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.36 : 83,400.86 = 18,165.21 : x
  2. Step 2: Convert to fraction form
    55,599.36/83,400.86 = 18,165.21/x
  3. Step 3: Cross multiply
    55,599.36x = 83,400.86 × 18,165.21
  4. Step 4: Simplify right side
    55,599.36x = 1,514,994,136.08
  5. Step 5: Solve for x
    x = 1,514,994,136.08/55,599.36
  6. Step 6: Final answer
    x = 27,248.41

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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.