Home / 16,388.04-24,692.61-13,530.36

Finding the Fourth Proportional to 16,388.04, 24,692.61 and 13,530.36

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Solution

The fourth proportional to 16,388.04, 24,692.61 and 13,530.36 is: 20,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.04 : 24,692.61 = 13,530.36 : x
  2. Step 2: Convert to fraction form
    16,388.04/24,692.61 = 13,530.36/x
  3. Step 3: Cross multiply
    16,388.04x = 24,692.61 × 13,530.36
  4. Step 4: Simplify right side
    16,388.04x = 334,099,902.64
  5. Step 5: Solve for x
    x = 334,099,902.64/16,388.04
  6. Step 6: Final answer
    x = 20,386.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.