Home / 13,805.06-19,043.37-9,335.07

Finding the Fourth Proportional to 13,805.06, 19,043.37 and 9,335.07

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Solution

The fourth proportional to 13,805.06, 19,043.37 and 9,335.07 is: 12,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.06 : 19,043.37 = 9,335.07 : x
  2. Step 2: Convert to fraction form
    13,805.06/19,043.37 = 9,335.07/x
  3. Step 3: Cross multiply
    13,805.06x = 19,043.37 × 9,335.07
  4. Step 4: Simplify right side
    13,805.06x = 177,771,191.99
  5. Step 5: Solve for x
    x = 177,771,191.99/13,805.06
  6. Step 6: Final answer
    x = 12,877.25

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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.