Home / 13,552.68-18,692.80-9,068.52

Finding the Fourth Proportional to 13,552.68, 18,692.80 and 9,068.52

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Solution

The fourth proportional to 13,552.68, 18,692.80 and 9,068.52 is: 12,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.68 : 18,692.80 = 9,068.52 : x
  2. Step 2: Convert to fraction form
    13,552.68/18,692.80 = 9,068.52/x
  3. Step 3: Cross multiply
    13,552.68x = 18,692.80 × 9,068.52
  4. Step 4: Simplify right side
    13,552.68x = 169,516,030.66
  5. Step 5: Solve for x
    x = 169,516,030.66/13,552.68
  6. Step 6: Final answer
    x = 12,507.93

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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.