Home / 16,491.68-22,759.60-9,319.08

Finding the Fourth Proportional to 16,491.68, 22,759.60 and 9,319.08

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Solution

The fourth proportional to 16,491.68, 22,759.60 and 9,319.08 is: 12,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.68 : 22,759.60 = 9,319.08 : x
  2. Step 2: Convert to fraction form
    16,491.68/22,759.60 = 9,319.08/x
  3. Step 3: Cross multiply
    16,491.68x = 22,759.60 × 9,319.08
  4. Step 4: Simplify right side
    16,491.68x = 212,098,533.17
  5. Step 5: Solve for x
    x = 212,098,533.17/16,491.68
  6. Step 6: Final answer
    x = 12,860.94

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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.