Home / 13,043.51-17,985.78-9,692.54

Finding the Fourth Proportional to 13,043.51, 17,985.78 and 9,692.54

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Solution

The fourth proportional to 13,043.51, 17,985.78 and 9,692.54 is: 13,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.51 : 17,985.78 = 9,692.54 : x
  2. Step 2: Convert to fraction form
    13,043.51/17,985.78 = 9,692.54/x
  3. Step 3: Cross multiply
    13,043.51x = 17,985.78 × 9,692.54
  4. Step 4: Simplify right side
    13,043.51x = 174,327,892.08
  5. Step 5: Solve for x
    x = 174,327,892.08/13,043.51
  6. Step 6: Final answer
    x = 13,365.11

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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.