Home / 19,672.95-27,148.98-10,720.44

Finding the Fourth Proportional to 19,672.95, 27,148.98 and 10,720.44

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Solution

The fourth proportional to 19,672.95, 27,148.98 and 10,720.44 is: 14,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.95 : 27,148.98 = 10,720.44 : x
  2. Step 2: Convert to fraction form
    19,672.95/27,148.98 = 10,720.44/x
  3. Step 3: Cross multiply
    19,672.95x = 27,148.98 × 10,720.44
  4. Step 4: Simplify right side
    19,672.95x = 291,049,011.15
  5. Step 5: Solve for x
    x = 291,049,011.15/19,672.95
  6. Step 6: Final answer
    x = 14,794.38

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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.