Home / 16,409.06-22,646.40-9,336.59

Finding the Fourth Proportional to 16,409.06, 22,646.40 and 9,336.59

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Solution

The fourth proportional to 16,409.06, 22,646.40 and 9,336.59 is: 12,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.06 : 22,646.40 = 9,336.59 : x
  2. Step 2: Convert to fraction form
    16,409.06/22,646.40 = 9,336.59/x
  3. Step 3: Cross multiply
    16,409.06x = 22,646.40 × 9,336.59
  4. Step 4: Simplify right side
    16,409.06x = 211,440,151.78
  5. Step 5: Solve for x
    x = 211,440,151.78/16,409.06
  6. Step 6: Final answer
    x = 12,885.57

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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.