Home / 16,071.84-22,178.88-8,998.20

Finding the Fourth Proportional to 16,071.84, 22,178.88 and 8,998.20

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Solution

The fourth proportional to 16,071.84, 22,178.88 and 8,998.20 is: 12,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,071.84 : 22,178.88 = 8,998.20 : x
  2. Step 2: Convert to fraction form
    16,071.84/22,178.88 = 8,998.20/x
  3. Step 3: Cross multiply
    16,071.84x = 22,178.88 × 8,998.20
  4. Step 4: Simplify right side
    16,071.84x = 199,569,998.02
  5. Step 5: Solve for x
    x = 199,569,998.02/16,071.84
  6. Step 6: Final answer
    x = 12,417.37

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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.