Home / 19,950.57-27,530.94-10,875.74

Finding the Fourth Proportional to 19,950.57, 27,530.94 and 10,875.74

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Solution

The fourth proportional to 19,950.57, 27,530.94 and 10,875.74 is: 15,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.57 : 27,530.94 = 10,875.74 : x
  2. Step 2: Convert to fraction form
    19,950.57/27,530.94 = 10,875.74/x
  3. Step 3: Cross multiply
    19,950.57x = 27,530.94 × 10,875.74
  4. Step 4: Simplify right side
    19,950.57x = 299,419,240.88
  5. Step 5: Solve for x
    x = 299,419,240.88/19,950.57
  6. Step 6: Final answer
    x = 15,008.05

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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.