Home / 19,622.28-27,078.58-10,669.70

Finding the Fourth Proportional to 19,622.28, 27,078.58 and 10,669.70

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Solution

The fourth proportional to 19,622.28, 27,078.58 and 10,669.70 is: 14,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.28 : 27,078.58 = 10,669.70 : x
  2. Step 2: Convert to fraction form
    19,622.28/27,078.58 = 10,669.70/x
  3. Step 3: Cross multiply
    19,622.28x = 27,078.58 × 10,669.70
  4. Step 4: Simplify right side
    19,622.28x = 288,920,325.03
  5. Step 5: Solve for x
    x = 288,920,325.03/19,622.28
  6. Step 6: Final answer
    x = 14,724.10

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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.