Home / 16,490.34-22,756.75-8,936.68

Finding the Fourth Proportional to 16,490.34, 22,756.75 and 8,936.68

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Solution

The fourth proportional to 16,490.34, 22,756.75 and 8,936.68 is: 12,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.34 : 22,756.75 = 8,936.68 : x
  2. Step 2: Convert to fraction form
    16,490.34/22,756.75 = 8,936.68/x
  3. Step 3: Cross multiply
    16,490.34x = 22,756.75 × 8,936.68
  4. Step 4: Simplify right side
    16,490.34x = 203,369,792.59
  5. Step 5: Solve for x
    x = 203,369,792.59/16,490.34
  6. Step 6: Final answer
    x = 12,332.66

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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.