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Finding the Fourth Proportional to 14,588.94, 21,865.05 and 7,925.34

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Solution

The fourth proportional to 14,588.94, 21,865.05 and 7,925.34 is: 11,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.94 : 21,865.05 = 7,925.34 : x
  2. Step 2: Convert to fraction form
    14,588.94/21,865.05 = 7,925.34/x
  3. Step 3: Cross multiply
    14,588.94x = 21,865.05 × 7,925.34
  4. Step 4: Simplify right side
    14,588.94x = 173,287,955.37
  5. Step 5: Solve for x
    x = 173,287,955.37/14,588.94
  6. Step 6: Final answer
    x = 11,878.04

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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.