Home / 15,671.75-21,627.57-8,598.38

Finding the Fourth Proportional to 15,671.75, 21,627.57 and 8,598.38

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Solution

The fourth proportional to 15,671.75, 21,627.57 and 8,598.38 is: 11,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.75 : 21,627.57 = 8,598.38 : x
  2. Step 2: Convert to fraction form
    15,671.75/21,627.57 = 8,598.38/x
  3. Step 3: Cross multiply
    15,671.75x = 21,627.57 × 8,598.38
  4. Step 4: Simplify right side
    15,671.75x = 185,962,065.34
  5. Step 5: Solve for x
    x = 185,962,065.34/15,671.75
  6. Step 6: Final answer
    x = 11,866.07

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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.