Home / 19,607.52-27,048.24-12,142.56

Finding the Fourth Proportional to 19,607.52, 27,048.24 and 12,142.56

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Solution

The fourth proportional to 19,607.52, 27,048.24 and 12,142.56 is: 16,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.52 : 27,048.24 = 12,142.56 : x
  2. Step 2: Convert to fraction form
    19,607.52/27,048.24 = 12,142.56/x
  3. Step 3: Cross multiply
    19,607.52x = 27,048.24 × 12,142.56
  4. Step 4: Simplify right side
    19,607.52x = 328,434,877.09
  5. Step 5: Solve for x
    x = 328,434,877.09/19,607.52
  6. Step 6: Final answer
    x = 16,750.45

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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.