Home / 19,672.90-27,148.25-10,720.46

Finding the Fourth Proportional to 19,672.90, 27,148.25 and 10,720.46

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Solution

The fourth proportional to 19,672.90, 27,148.25 and 10,720.46 is: 14,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.90 : 27,148.25 = 10,720.46 : x
  2. Step 2: Convert to fraction form
    19,672.90/27,148.25 = 10,720.46/x
  3. Step 3: Cross multiply
    19,672.90x = 27,148.25 × 10,720.46
  4. Step 4: Simplify right side
    19,672.90x = 291,041,822.87
  5. Step 5: Solve for x
    x = 291,041,822.87/19,672.90
  6. Step 6: Final answer
    x = 14,794.05

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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.