Home / 28,349.61-42,522.71-12,550.02

Finding the Fourth Proportional to 28,349.61, 42,522.71 and 12,550.02

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Solution

The fourth proportional to 28,349.61, 42,522.71 and 12,550.02 is: 18,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.61 : 42,522.71 = 12,550.02 : x
  2. Step 2: Convert to fraction form
    28,349.61/42,522.71 = 12,550.02/x
  3. Step 3: Cross multiply
    28,349.61x = 42,522.71 × 12,550.02
  4. Step 4: Simplify right side
    28,349.61x = 533,660,860.95
  5. Step 5: Solve for x
    x = 533,660,860.95/28,349.61
  6. Step 6: Final answer
    x = 18,824.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.