Home / 22,137.08-30,548.28-12,065.31

Finding the Fourth Proportional to 22,137.08, 30,548.28 and 12,065.31

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Solution

The fourth proportional to 22,137.08, 30,548.28 and 12,065.31 is: 16,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.08 : 30,548.28 = 12,065.31 : x
  2. Step 2: Convert to fraction form
    22,137.08/30,548.28 = 12,065.31/x
  3. Step 3: Cross multiply
    22,137.08x = 30,548.28 × 12,065.31
  4. Step 4: Simplify right side
    22,137.08x = 368,574,468.17
  5. Step 5: Solve for x
    x = 368,574,468.17/22,137.08
  6. Step 6: Final answer
    x = 16,649.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.