Home / 16,045.65-22,144.02-8,972.07

Finding the Fourth Proportional to 16,045.65, 22,144.02 and 8,972.07

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Solution

The fourth proportional to 16,045.65, 22,144.02 and 8,972.07 is: 12,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,045.65 : 22,144.02 = 8,972.07 : x
  2. Step 2: Convert to fraction form
    16,045.65/22,144.02 = 8,972.07/x
  3. Step 3: Cross multiply
    16,045.65x = 22,144.02 × 8,972.07
  4. Step 4: Simplify right side
    16,045.65x = 198,677,814.21
  5. Step 5: Solve for x
    x = 198,677,814.21/16,045.65
  6. Step 6: Final answer
    x = 12,382.03

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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.