Home / 19,675.15-27,150.92-10,722.47

Finding the Fourth Proportional to 19,675.15, 27,150.92 and 10,722.47

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Solution

The fourth proportional to 19,675.15, 27,150.92 and 10,722.47 is: 14,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.15 : 27,150.92 = 10,722.47 : x
  2. Step 2: Convert to fraction form
    19,675.15/27,150.92 = 10,722.47/x
  3. Step 3: Cross multiply
    19,675.15x = 27,150.92 × 10,722.47
  4. Step 4: Simplify right side
    19,675.15x = 291,124,925.17
  5. Step 5: Solve for x
    x = 291,124,925.17/19,675.15
  6. Step 6: Final answer
    x = 14,796.58

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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.