Home / 19,812.24-27,315.72-14,153.76

Finding the Fourth Proportional to 19,812.24, 27,315.72 and 14,153.76

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Solution

The fourth proportional to 19,812.24, 27,315.72 and 14,153.76 is: 19,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.24 : 27,315.72 = 14,153.76 : x
  2. Step 2: Convert to fraction form
    19,812.24/27,315.72 = 14,153.76/x
  3. Step 3: Cross multiply
    19,812.24x = 27,315.72 × 14,153.76
  4. Step 4: Simplify right side
    19,812.24x = 386,620,145.11
  5. Step 5: Solve for x
    x = 386,620,145.11/19,812.24
  6. Step 6: Final answer
    x = 19,514.21

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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.