Home / 19,187.28-28,727.16-14,492.52

Finding the Fourth Proportional to 19,187.28, 28,727.16 and 14,492.52

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Solution

The fourth proportional to 19,187.28, 28,727.16 and 14,492.52 is: 21,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.28 : 28,727.16 = 14,492.52 : x
  2. Step 2: Convert to fraction form
    19,187.28/28,727.16 = 14,492.52/x
  3. Step 3: Cross multiply
    19,187.28x = 28,727.16 × 14,492.52
  4. Step 4: Simplify right side
    19,187.28x = 416,328,886.50
  5. Step 5: Solve for x
    x = 416,328,886.50/19,187.28
  6. Step 6: Final answer
    x = 21,698.17

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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.