Home / 14,505.09-21,750.30-7,098.45

Finding the Fourth Proportional to 14,505.09, 21,750.30 and 7,098.45

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Solution

The fourth proportional to 14,505.09, 21,750.30 and 7,098.45 is: 10,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.09 : 21,750.30 = 7,098.45 : x
  2. Step 2: Convert to fraction form
    14,505.09/21,750.30 = 7,098.45/x
  3. Step 3: Cross multiply
    14,505.09x = 21,750.30 × 7,098.45
  4. Step 4: Simplify right side
    14,505.09x = 154,393,417.04
  5. Step 5: Solve for x
    x = 154,393,417.04/14,505.09
  6. Step 6: Final answer
    x = 10,644.09

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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.