Home / 14,644.02-20,211.89-9,337.62

Finding the Fourth Proportional to 14,644.02, 20,211.89 and 9,337.62

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Solution

The fourth proportional to 14,644.02, 20,211.89 and 9,337.62 is: 12,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.02 : 20,211.89 = 9,337.62 : x
  2. Step 2: Convert to fraction form
    14,644.02/20,211.89 = 9,337.62/x
  3. Step 3: Cross multiply
    14,644.02x = 20,211.89 × 9,337.62
  4. Step 4: Simplify right side
    14,644.02x = 188,730,948.30
  5. Step 5: Solve for x
    x = 188,730,948.30/14,644.02
  6. Step 6: Final answer
    x = 12,887.92

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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.