Home / 19,579.32-27,011.16-12,504.24

Finding the Fourth Proportional to 19,579.32, 27,011.16 and 12,504.24

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Solution

The fourth proportional to 19,579.32, 27,011.16 and 12,504.24 is: 17,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.32 : 27,011.16 = 12,504.24 : x
  2. Step 2: Convert to fraction form
    19,579.32/27,011.16 = 12,504.24/x
  3. Step 3: Cross multiply
    19,579.32x = 27,011.16 × 12,504.24
  4. Step 4: Simplify right side
    19,579.32x = 337,754,027.32
  5. Step 5: Solve for x
    x = 337,754,027.32/19,579.32
  6. Step 6: Final answer
    x = 17,250.55

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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.