Home / 28,484.22-42,729.45-11,846.22

Finding the Fourth Proportional to 28,484.22, 42,729.45 and 11,846.22

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Solution

The fourth proportional to 28,484.22, 42,729.45 and 11,846.22 is: 17,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.22 : 42,729.45 = 11,846.22 : x
  2. Step 2: Convert to fraction form
    28,484.22/42,729.45 = 11,846.22/x
  3. Step 3: Cross multiply
    28,484.22x = 42,729.45 × 11,846.22
  4. Step 4: Simplify right side
    28,484.22x = 506,182,465.18
  5. Step 5: Solve for x
    x = 506,182,465.18/28,484.22
  6. Step 6: Final answer
    x = 17,770.63

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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.