Home / 16,313.40-22,511.88-9,239.76

Finding the Fourth Proportional to 16,313.40, 22,511.88 and 9,239.76

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Solution

The fourth proportional to 16,313.40, 22,511.88 and 9,239.76 is: 12,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,313.40 : 22,511.88 = 9,239.76 : x
  2. Step 2: Convert to fraction form
    16,313.40/22,511.88 = 9,239.76/x
  3. Step 3: Cross multiply
    16,313.40x = 22,511.88 × 9,239.76
  4. Step 4: Simplify right side
    16,313.40x = 208,004,368.35
  5. Step 5: Solve for x
    x = 208,004,368.35/16,313.40
  6. Step 6: Final answer
    x = 12,750.52

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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.