Home / 14,592.64-20,136.72-8,623.84

Finding the Fourth Proportional to 14,592.64, 20,136.72 and 8,623.84

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Solution

The fourth proportional to 14,592.64, 20,136.72 and 8,623.84 is: 11,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.64 : 20,136.72 = 8,623.84 : x
  2. Step 2: Convert to fraction form
    14,592.64/20,136.72 = 8,623.84/x
  3. Step 3: Cross multiply
    14,592.64x = 20,136.72 × 8,623.84
  4. Step 4: Simplify right side
    14,592.64x = 173,655,851.40
  5. Step 5: Solve for x
    x = 173,655,851.40/14,592.64
  6. Step 6: Final answer
    x = 11,900.24

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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.