Home / 19,497.72-29,264.76-10,720.56

Finding the Fourth Proportional to 19,497.72, 29,264.76 and 10,720.56

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Solution

The fourth proportional to 19,497.72, 29,264.76 and 10,720.56 is: 16,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,497.72 : 29,264.76 = 10,720.56 : x
  2. Step 2: Convert to fraction form
    19,497.72/29,264.76 = 10,720.56/x
  3. Step 3: Cross multiply
    19,497.72x = 29,264.76 × 10,720.56
  4. Step 4: Simplify right side
    19,497.72x = 313,734,615.47
  5. Step 5: Solve for x
    x = 313,734,615.47/19,497.72
  6. Step 6: Final answer
    x = 16,090.84

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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.