Home / 20,716.93-31,080.32-5,925.45

Finding the Fourth Proportional to 20,716.93, 31,080.32 and 5,925.45

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Solution

The fourth proportional to 20,716.93, 31,080.32 and 5,925.45 is: 8,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716.93 : 31,080.32 = 5,925.45 : x
  2. Step 2: Convert to fraction form
    20,716.93/31,080.32 = 5,925.45/x
  3. Step 3: Cross multiply
    20,716.93x = 31,080.32 × 5,925.45
  4. Step 4: Simplify right side
    20,716.93x = 184,164,852.52
  5. Step 5: Solve for x
    x = 184,164,852.52/20,716.93
  6. Step 6: Final answer
    x = 8,889.58

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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.