Home / 13,544.95-18,692.98-7,577.17

Finding the Fourth Proportional to 13,544.95, 18,692.98 and 7,577.17

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Solution

The fourth proportional to 13,544.95, 18,692.98 and 7,577.17 is: 10,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.95 : 18,692.98 = 7,577.17 : x
  2. Step 2: Convert to fraction form
    13,544.95/18,692.98 = 7,577.17/x
  3. Step 3: Cross multiply
    13,544.95x = 18,692.98 × 7,577.17
  4. Step 4: Simplify right side
    13,544.95x = 141,639,887.27
  5. Step 5: Solve for x
    x = 141,639,887.27/13,544.95
  6. Step 6: Final answer
    x = 10,457.03

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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.