Home / 19,650.17-27,113.02-11,690.84

Finding the Fourth Proportional to 19,650.17, 27,113.02 and 11,690.84

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Solution

The fourth proportional to 19,650.17, 27,113.02 and 11,690.84 is: 16,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.17 : 27,113.02 = 11,690.84 : x
  2. Step 2: Convert to fraction form
    19,650.17/27,113.02 = 11,690.84/x
  3. Step 3: Cross multiply
    19,650.17x = 27,113.02 × 11,690.84
  4. Step 4: Simplify right side
    19,650.17x = 316,973,857.79
  5. Step 5: Solve for x
    x = 316,973,857.79/19,650.17
  6. Step 6: Final answer
    x = 16,130.85

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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.