Home / 30,465.09-45,692.91-11,753.90

Finding the Fourth Proportional to 30,465.09, 45,692.91 and 11,753.90

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Solution

The fourth proportional to 30,465.09, 45,692.91 and 11,753.90 is: 17,629.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465.09 : 45,692.91 = 11,753.90 : x
  2. Step 2: Convert to fraction form
    30,465.09/45,692.91 = 11,753.90/x
  3. Step 3: Cross multiply
    30,465.09x = 45,692.91 × 11,753.90
  4. Step 4: Simplify right side
    30,465.09x = 537,069,666.38
  5. Step 5: Solve for x
    x = 537,069,666.38/30,465.09
  6. Step 6: Final answer
    x = 17,629.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.