Home / 19,184.56-28,784.63-15,277.12

Finding the Fourth Proportional to 19,184.56, 28,784.63 and 15,277.12

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Solution

The fourth proportional to 19,184.56, 28,784.63 and 15,277.12 is: 22,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.56 : 28,784.63 = 15,277.12 : x
  2. Step 2: Convert to fraction form
    19,184.56/28,784.63 = 15,277.12/x
  3. Step 3: Cross multiply
    19,184.56x = 28,784.63 × 15,277.12
  4. Step 4: Simplify right side
    19,184.56x = 439,746,212.90
  5. Step 5: Solve for x
    x = 439,746,212.90/19,184.56
  6. Step 6: Final answer
    x = 22,921.88

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1.5x scale

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.