Home / 17,660.08-26,465.49-13,272.40

Finding the Fourth Proportional to 17,660.08, 26,465.49 and 13,272.40

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Solution

The fourth proportional to 17,660.08, 26,465.49 and 13,272.40 is: 19,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.08 : 26,465.49 = 13,272.40 : x
  2. Step 2: Convert to fraction form
    17,660.08/26,465.49 = 13,272.40/x
  3. Step 3: Cross multiply
    17,660.08x = 26,465.49 × 13,272.40
  4. Step 4: Simplify right side
    17,660.08x = 351,260,569.48
  5. Step 5: Solve for x
    x = 351,260,569.48/17,660.08
  6. Step 6: Final answer
    x = 19,890.09

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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.