Home / 47,272.68-70,908.80-13,992.93

Finding the Fourth Proportional to 47,272.68, 70,908.80 and 13,992.93

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Solution

The fourth proportional to 47,272.68, 70,908.80 and 13,992.93 is: 20,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,272.68 : 70,908.80 = 13,992.93 : x
  2. Step 2: Convert to fraction form
    47,272.68/70,908.80 = 13,992.93/x
  3. Step 3: Cross multiply
    47,272.68x = 70,908.80 × 13,992.93
  4. Step 4: Simplify right side
    47,272.68x = 992,221,804.82
  5. Step 5: Solve for x
    x = 992,221,804.82/47,272.68
  6. Step 6: Final answer
    x = 20,989.33

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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.