Home / 15,704.34-21,659.70-9,732.63

Finding the Fourth Proportional to 15,704.34, 21,659.70 and 9,732.63

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Solution

The fourth proportional to 15,704.34, 21,659.70 and 9,732.63 is: 13,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704.34 : 21,659.70 = 9,732.63 : x
  2. Step 2: Convert to fraction form
    15,704.34/21,659.70 = 9,732.63/x
  3. Step 3: Cross multiply
    15,704.34x = 21,659.70 × 9,732.63
  4. Step 4: Simplify right side
    15,704.34x = 210,805,846.01
  5. Step 5: Solve for x
    x = 210,805,846.01/15,704.34
  6. Step 6: Final answer
    x = 13,423.41

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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.