Home / 19,256.87-28,885.12-10,376.38

Finding the Fourth Proportional to 19,256.87, 28,885.12 and 10,376.38

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Solution

The fourth proportional to 19,256.87, 28,885.12 and 10,376.38 is: 15,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.87 : 28,885.12 = 10,376.38 : x
  2. Step 2: Convert to fraction form
    19,256.87/28,885.12 = 10,376.38/x
  3. Step 3: Cross multiply
    19,256.87x = 28,885.12 × 10,376.38
  4. Step 4: Simplify right side
    19,256.87x = 299,722,883.31
  5. Step 5: Solve for x
    x = 299,722,883.31/19,256.87
  6. Step 6: Final answer
    x = 15,564.47

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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.