Home / 21,903.09-32,859.51-6,319.50

Finding the Fourth Proportional to 21,903.09, 32,859.51 and 6,319.50

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Solution

The fourth proportional to 21,903.09, 32,859.51 and 6,319.50 is: 9,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903.09 : 32,859.51 = 6,319.50 : x
  2. Step 2: Convert to fraction form
    21,903.09/32,859.51 = 6,319.50/x
  3. Step 3: Cross multiply
    21,903.09x = 32,859.51 × 6,319.50
  4. Step 4: Simplify right side
    21,903.09x = 207,655,673.45
  5. Step 5: Solve for x
    x = 207,655,673.45/21,903.09
  6. Step 6: Final answer
    x = 9,480.66

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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.