Home / 17,913.79-26,829.69-8,560.38

Finding the Fourth Proportional to 17,913.79, 26,829.69 and 8,560.38

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Solution

The fourth proportional to 17,913.79, 26,829.69 and 8,560.38 is: 12,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.79 : 26,829.69 = 8,560.38 : x
  2. Step 2: Convert to fraction form
    17,913.79/26,829.69 = 8,560.38/x
  3. Step 3: Cross multiply
    17,913.79x = 26,829.69 × 8,560.38
  4. Step 4: Simplify right side
    17,913.79x = 229,672,341.68
  5. Step 5: Solve for x
    x = 229,672,341.68/17,913.79
  6. Step 6: Final answer
    x = 12,820.98

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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.