Home / 19,275.60-28,916.64-6,126.96

Finding the Fourth Proportional to 19,275.60, 28,916.64 and 6,126.96

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Solution

The fourth proportional to 19,275.60, 28,916.64 and 6,126.96 is: 9,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.60 : 28,916.64 = 6,126.96 : x
  2. Step 2: Convert to fraction form
    19,275.60/28,916.64 = 6,126.96/x
  3. Step 3: Cross multiply
    19,275.60x = 28,916.64 × 6,126.96
  4. Step 4: Simplify right side
    19,275.60x = 177,171,096.61
  5. Step 5: Solve for x
    x = 177,171,096.61/19,275.60
  6. Step 6: Final answer
    x = 9,191.47

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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.