Home / 14,775.30-20,385.54-9,460.89

Finding the Fourth Proportional to 14,775.30, 20,385.54 and 9,460.89

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Solution

The fourth proportional to 14,775.30, 20,385.54 and 9,460.89 is: 13,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.30 : 20,385.54 = 9,460.89 : x
  2. Step 2: Convert to fraction form
    14,775.30/20,385.54 = 9,460.89/x
  3. Step 3: Cross multiply
    14,775.30x = 20,385.54 × 9,460.89
  4. Step 4: Simplify right side
    14,775.30x = 192,865,351.53
  5. Step 5: Solve for x
    x = 192,865,351.53/14,775.30
  6. Step 6: Final answer
    x = 13,053.23

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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.