Home / 19,836.79-29,873.95-18,065.32

Finding the Fourth Proportional to 19,836.79, 29,873.95 and 18,065.32

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Solution

The fourth proportional to 19,836.79, 29,873.95 and 18,065.32 is: 27,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.79 : 29,873.95 = 18,065.32 : x
  2. Step 2: Convert to fraction form
    19,836.79/29,873.95 = 18,065.32/x
  3. Step 3: Cross multiply
    19,836.79x = 29,873.95 × 18,065.32
  4. Step 4: Simplify right side
    19,836.79x = 539,682,346.57
  5. Step 5: Solve for x
    x = 539,682,346.57/19,836.79
  6. Step 6: Final answer
    x = 27,206.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.