Home / 19,950.20-27,530.94-10,875.66

Finding the Fourth Proportional to 19,950.20, 27,530.94 and 10,875.66

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Solution

The fourth proportional to 19,950.20, 27,530.94 and 10,875.66 is: 15,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.20 : 27,530.94 = 10,875.66 : x
  2. Step 2: Convert to fraction form
    19,950.20/27,530.94 = 10,875.66/x
  3. Step 3: Cross multiply
    19,950.20x = 27,530.94 × 10,875.66
  4. Step 4: Simplify right side
    19,950.20x = 299,417,238.94
  5. Step 5: Solve for x
    x = 299,417,238.94/19,950.20
  6. Step 6: Final answer
    x = 15,008.23

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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.