Home / 16,909.84-23,333.56-9,355.16

Finding the Fourth Proportional to 16,909.84, 23,333.56 and 9,355.16

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Solution

The fourth proportional to 16,909.84, 23,333.56 and 9,355.16 is: 12,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.84 : 23,333.56 = 9,355.16 : x
  2. Step 2: Convert to fraction form
    16,909.84/23,333.56 = 9,355.16/x
  3. Step 3: Cross multiply
    16,909.84x = 23,333.56 × 9,355.16
  4. Step 4: Simplify right side
    16,909.84x = 218,289,187.17
  5. Step 5: Solve for x
    x = 218,289,187.17/16,909.84
  6. Step 6: Final answer
    x = 12,909.00

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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.