Home / 13,544.66-18,692.52-7,577.36

Finding the Fourth Proportional to 13,544.66, 18,692.52 and 7,577.36

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Solution

The fourth proportional to 13,544.66, 18,692.52 and 7,577.36 is: 10,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.66 : 18,692.52 = 7,577.36 : x
  2. Step 2: Convert to fraction form
    13,544.66/18,692.52 = 7,577.36/x
  3. Step 3: Cross multiply
    13,544.66x = 18,692.52 × 7,577.36
  4. Step 4: Simplify right side
    13,544.66x = 141,639,953.35
  5. Step 5: Solve for x
    x = 141,639,953.35/13,544.66
  6. Step 6: Final answer
    x = 10,457.25

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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.