Home / 22,088.21-30,482.54-12,658.60

Finding the Fourth Proportional to 22,088.21, 30,482.54 and 12,658.60

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Solution

The fourth proportional to 22,088.21, 30,482.54 and 12,658.60 is: 17,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,088.21 : 30,482.54 = 12,658.60 : x
  2. Step 2: Convert to fraction form
    22,088.21/30,482.54 = 12,658.60/x
  3. Step 3: Cross multiply
    22,088.21x = 30,482.54 × 12,658.60
  4. Step 4: Simplify right side
    22,088.21x = 385,866,280.84
  5. Step 5: Solve for x
    x = 385,866,280.84/22,088.21
  6. Step 6: Final answer
    x = 17,469.33

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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.