Home / 16,805.63-23,191.77-9,353.63

Finding the Fourth Proportional to 16,805.63, 23,191.77 and 9,353.63

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Solution

The fourth proportional to 16,805.63, 23,191.77 and 9,353.63 is: 12,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.63 : 23,191.77 = 9,353.63 : x
  2. Step 2: Convert to fraction form
    16,805.63/23,191.77 = 9,353.63/x
  3. Step 3: Cross multiply
    16,805.63x = 23,191.77 × 9,353.63
  4. Step 4: Simplify right side
    16,805.63x = 216,927,119.67
  5. Step 5: Solve for x
    x = 216,927,119.67/16,805.63
  6. Step 6: Final answer
    x = 12,908.01

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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.