Home / 19,577.36-27,005.46-12,495.80

Finding the Fourth Proportional to 19,577.36, 27,005.46 and 12,495.80

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Solution

The fourth proportional to 19,577.36, 27,005.46 and 12,495.80 is: 17,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.36 : 27,005.46 = 12,495.80 : x
  2. Step 2: Convert to fraction form
    19,577.36/27,005.46 = 12,495.80/x
  3. Step 3: Cross multiply
    19,577.36x = 27,005.46 × 12,495.80
  4. Step 4: Simplify right side
    19,577.36x = 337,454,827.07
  5. Step 5: Solve for x
    x = 337,454,827.07/19,577.36
  6. Step 6: Final answer
    x = 17,236.99

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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.