Home / 13,899.84-19,143.27-12,010.82

Finding the Fourth Proportional to 13,899.84, 19,143.27 and 12,010.82

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Solution

The fourth proportional to 13,899.84, 19,143.27 and 12,010.82 is: 16,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.84 : 19,143.27 = 12,010.82 : x
  2. Step 2: Convert to fraction form
    13,899.84/19,143.27 = 12,010.82/x
  3. Step 3: Cross multiply
    13,899.84x = 19,143.27 × 12,010.82
  4. Step 4: Simplify right side
    13,899.84x = 229,926,274.47
  5. Step 5: Solve for x
    x = 229,926,274.47/13,899.84
  6. Step 6: Final answer
    x = 16,541.65

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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.