Home / 23,189.46-32,001.40-12,579.28

Finding the Fourth Proportional to 23,189.46, 32,001.40 and 12,579.28

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Solution

The fourth proportional to 23,189.46, 32,001.40 and 12,579.28 is: 17,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.46 : 32,001.40 = 12,579.28 : x
  2. Step 2: Convert to fraction form
    23,189.46/32,001.40 = 12,579.28/x
  3. Step 3: Cross multiply
    23,189.46x = 32,001.40 × 12,579.28
  4. Step 4: Simplify right side
    23,189.46x = 402,554,570.99
  5. Step 5: Solve for x
    x = 402,554,570.99/23,189.46
  6. Step 6: Final answer
    x = 17,359.38

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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.