Home / 19,137.55-26,411.01-10,639.74

Finding the Fourth Proportional to 19,137.55, 26,411.01 and 10,639.74

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Solution

The fourth proportional to 19,137.55, 26,411.01 and 10,639.74 is: 14,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.55 : 26,411.01 = 10,639.74 : x
  2. Step 2: Convert to fraction form
    19,137.55/26,411.01 = 10,639.74/x
  3. Step 3: Cross multiply
    19,137.55x = 26,411.01 × 10,639.74
  4. Step 4: Simplify right side
    19,137.55x = 281,006,249.97
  5. Step 5: Solve for x
    x = 281,006,249.97/19,137.55
  6. Step 6: Final answer
    x = 14,683.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.