Home / 16,088.72-22,203.06-9,378.68

Finding the Fourth Proportional to 16,088.72, 22,203.06 and 9,378.68

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Solution

The fourth proportional to 16,088.72, 22,203.06 and 9,378.68 is: 12,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,088.72 : 22,203.06 = 9,378.68 : x
  2. Step 2: Convert to fraction form
    16,088.72/22,203.06 = 9,378.68/x
  3. Step 3: Cross multiply
    16,088.72x = 22,203.06 × 9,378.68
  4. Step 4: Simplify right side
    16,088.72x = 208,235,394.76
  5. Step 5: Solve for x
    x = 208,235,394.76/16,088.72
  6. Step 6: Final answer
    x = 12,942.94

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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.