Home / 17,827.72-26,732.58-10,434.40

Finding the Fourth Proportional to 17,827.72, 26,732.58 and 10,434.40

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Solution

The fourth proportional to 17,827.72, 26,732.58 and 10,434.40 is: 15,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,827.72 : 26,732.58 = 10,434.40 : x
  2. Step 2: Convert to fraction form
    17,827.72/26,732.58 = 10,434.40/x
  3. Step 3: Cross multiply
    17,827.72x = 26,732.58 × 10,434.40
  4. Step 4: Simplify right side
    17,827.72x = 278,938,432.75
  5. Step 5: Solve for x
    x = 278,938,432.75/17,827.72
  6. Step 6: Final answer
    x = 15,646.33

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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.