Home / 22,088.41-30,482.85-12,658.80

Finding the Fourth Proportional to 22,088.41, 30,482.85 and 12,658.80

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Solution

The fourth proportional to 22,088.41, 30,482.85 and 12,658.80 is: 17,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,088.41 : 30,482.85 = 12,658.80 : x
  2. Step 2: Convert to fraction form
    22,088.41/30,482.85 = 12,658.80/x
  3. Step 3: Cross multiply
    22,088.41x = 30,482.85 × 12,658.80
  4. Step 4: Simplify right side
    22,088.41x = 385,876,085.87
  5. Step 5: Solve for x
    x = 385,876,085.87/22,088.41
  6. Step 6: Final answer
    x = 17,469.62

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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.