Home / 19,339.62-26,688.64-11,785.98

Finding the Fourth Proportional to 19,339.62, 26,688.64 and 11,785.98

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Solution

The fourth proportional to 19,339.62, 26,688.64 and 11,785.98 is: 16,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.62 : 26,688.64 = 11,785.98 : x
  2. Step 2: Convert to fraction form
    19,339.62/26,688.64 = 11,785.98/x
  3. Step 3: Cross multiply
    19,339.62x = 26,688.64 × 11,785.98
  4. Step 4: Simplify right side
    19,339.62x = 314,551,777.27
  5. Step 5: Solve for x
    x = 314,551,777.27/19,339.62
  6. Step 6: Final answer
    x = 16,264.63

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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.