Home / 19,622.16-27,084.51-13,338.18

Finding the Fourth Proportional to 19,622.16, 27,084.51 and 13,338.18

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Solution

The fourth proportional to 19,622.16, 27,084.51 and 13,338.18 is: 18,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.16 : 27,084.51 = 13,338.18 : x
  2. Step 2: Convert to fraction form
    19,622.16/27,084.51 = 13,338.18/x
  3. Step 3: Cross multiply
    19,622.16x = 27,084.51 × 13,338.18
  4. Step 4: Simplify right side
    19,622.16x = 361,258,069.59
  5. Step 5: Solve for x
    x = 361,258,069.59/19,622.16
  6. Step 6: Final answer
    x = 18,410.72

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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.