Home / 19,482.07-29,221.05-6,831.64

Finding the Fourth Proportional to 19,482.07, 29,221.05 and 6,831.64

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Solution

The fourth proportional to 19,482.07, 29,221.05 and 6,831.64 is: 10,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.07 : 29,221.05 = 6,831.64 : x
  2. Step 2: Convert to fraction form
    19,482.07/29,221.05 = 6,831.64/x
  3. Step 3: Cross multiply
    19,482.07x = 29,221.05 × 6,831.64
  4. Step 4: Simplify right side
    19,482.07x = 199,627,756.17
  5. Step 5: Solve for x
    x = 199,627,756.17/19,482.07
  6. Step 6: Final answer
    x = 10,246.74

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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.