Home / 15,343.94-23,043.65-14,109.09

Finding the Fourth Proportional to 15,343.94, 23,043.65 and 14,109.09

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Solution

The fourth proportional to 15,343.94, 23,043.65 and 14,109.09 is: 21,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.94 : 23,043.65 = 14,109.09 : x
  2. Step 2: Convert to fraction form
    15,343.94/23,043.65 = 14,109.09/x
  3. Step 3: Cross multiply
    15,343.94x = 23,043.65 × 14,109.09
  4. Step 4: Simplify right side
    15,343.94x = 325,124,861.23
  5. Step 5: Solve for x
    x = 325,124,861.23/15,343.94
  6. Step 6: Final answer
    x = 21,189.14

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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.