Home / 18,312.78-27,417.26-12,053.96

Finding the Fourth Proportional to 18,312.78, 27,417.26 and 12,053.96

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Solution

The fourth proportional to 18,312.78, 27,417.26 and 12,053.96 is: 18,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.78 : 27,417.26 = 12,053.96 : x
  2. Step 2: Convert to fraction form
    18,312.78/27,417.26 = 12,053.96/x
  3. Step 3: Cross multiply
    18,312.78x = 27,417.26 × 12,053.96
  4. Step 4: Simplify right side
    18,312.78x = 330,486,555.35
  5. Step 5: Solve for x
    x = 330,486,555.35/18,312.78
  6. Step 6: Final answer
    x = 18,046.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.