Home / 20,045.25-27,599.13-17,653.59

Finding the Fourth Proportional to 20,045.25, 27,599.13 and 17,653.59

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Solution

The fourth proportional to 20,045.25, 27,599.13 and 17,653.59 is: 24,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.25 : 27,599.13 = 17,653.59 : x
  2. Step 2: Convert to fraction form
    20,045.25/27,599.13 = 17,653.59/x
  3. Step 3: Cross multiply
    20,045.25x = 27,599.13 × 17,653.59
  4. Step 4: Simplify right side
    20,045.25x = 487,223,725.38
  5. Step 5: Solve for x
    x = 487,223,725.38/20,045.25
  6. Step 6: Final answer
    x = 24,306.19

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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.