Home / 19,980.36-27,570.26-12,024.52

Finding the Fourth Proportional to 19,980.36, 27,570.26 and 12,024.52

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Solution

The fourth proportional to 19,980.36, 27,570.26 and 12,024.52 is: 16,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.36 : 27,570.26 = 12,024.52 : x
  2. Step 2: Convert to fraction form
    19,980.36/27,570.26 = 12,024.52/x
  3. Step 3: Cross multiply
    19,980.36x = 27,570.26 × 12,024.52
  4. Step 4: Simplify right side
    19,980.36x = 331,519,142.78
  5. Step 5: Solve for x
    x = 331,519,142.78/19,980.36
  6. Step 6: Final answer
    x = 16,592.25

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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.