Home / 22,178.60-33,271.74-9,038.12

Finding the Fourth Proportional to 22,178.60, 33,271.74 and 9,038.12

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Solution

The fourth proportional to 22,178.60, 33,271.74 and 9,038.12 is: 13,558.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.60 : 33,271.74 = 9,038.12 : x
  2. Step 2: Convert to fraction form
    22,178.60/33,271.74 = 9,038.12/x
  3. Step 3: Cross multiply
    22,178.60x = 33,271.74 × 9,038.12
  4. Step 4: Simplify right side
    22,178.60x = 300,713,978.73
  5. Step 5: Solve for x
    x = 300,713,978.73/22,178.60
  6. Step 6: Final answer
    x = 13,558.74

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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.