Home / 19,127.64-28,692.51-5,981.04

Finding the Fourth Proportional to 19,127.64, 28,692.51 and 5,981.04

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Solution

The fourth proportional to 19,127.64, 28,692.51 and 5,981.04 is: 8,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.64 : 28,692.51 = 5,981.04 : x
  2. Step 2: Convert to fraction form
    19,127.64/28,692.51 = 5,981.04/x
  3. Step 3: Cross multiply
    19,127.64x = 28,692.51 × 5,981.04
  4. Step 4: Simplify right side
    19,127.64x = 171,611,050.01
  5. Step 5: Solve for x
    x = 171,611,050.01/19,127.64
  6. Step 6: Final answer
    x = 8,971.89

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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.