Home / 19,813.36-27,342.24-10,860.76

Finding the Fourth Proportional to 19,813.36, 27,342.24 and 10,860.76

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Solution

The fourth proportional to 19,813.36, 27,342.24 and 10,860.76 is: 14,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.36 : 27,342.24 = 10,860.76 : x
  2. Step 2: Convert to fraction form
    19,813.36/27,342.24 = 10,860.76/x
  3. Step 3: Cross multiply
    19,813.36x = 27,342.24 × 10,860.76
  4. Step 4: Simplify right side
    19,813.36x = 296,957,506.50
  5. Step 5: Solve for x
    x = 296,957,506.50/19,813.36
  6. Step 6: Final answer
    x = 14,987.74

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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.