Home / 16,805.04-23,191.56-9,636.07

Finding the Fourth Proportional to 16,805.04, 23,191.56 and 9,636.07

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Solution

The fourth proportional to 16,805.04, 23,191.56 and 9,636.07 is: 13,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.04 : 23,191.56 = 9,636.07 : x
  2. Step 2: Convert to fraction form
    16,805.04/23,191.56 = 9,636.07/x
  3. Step 3: Cross multiply
    16,805.04x = 23,191.56 × 9,636.07
  4. Step 4: Simplify right side
    16,805.04x = 223,475,331.43
  5. Step 5: Solve for x
    x = 223,475,331.43/16,805.04
  6. Step 6: Final answer
    x = 13,298.11

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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.