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Finding the Fourth Proportional to 14,655.84, 20,225.88 and 8,369.52

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Solution

The fourth proportional to 14,655.84, 20,225.88 and 8,369.52 is: 11,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.84 : 20,225.88 = 8,369.52 : x
  2. Step 2: Convert to fraction form
    14,655.84/20,225.88 = 8,369.52/x
  3. Step 3: Cross multiply
    14,655.84x = 20,225.88 × 8,369.52
  4. Step 4: Simplify right side
    14,655.84x = 169,280,907.18
  5. Step 5: Solve for x
    x = 169,280,907.18/14,655.84
  6. Step 6: Final answer
    x = 11,550.41

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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.