Home / 19,559.57-27,014.36-13,175.07

Finding the Fourth Proportional to 19,559.57, 27,014.36 and 13,175.07

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Solution

The fourth proportional to 19,559.57, 27,014.36 and 13,175.07 is: 18,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.57 : 27,014.36 = 13,175.07 : x
  2. Step 2: Convert to fraction form
    19,559.57/27,014.36 = 13,175.07/x
  3. Step 3: Cross multiply
    19,559.57x = 27,014.36 × 13,175.07
  4. Step 4: Simplify right side
    19,559.57x = 355,916,018.13
  5. Step 5: Solve for x
    x = 355,916,018.13/19,559.57
  6. Step 6: Final answer
    x = 18,196.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.