Home / 19,552.39-26,946.10-13,887.38

Finding the Fourth Proportional to 19,552.39, 26,946.10 and 13,887.38

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Solution

The fourth proportional to 19,552.39, 26,946.10 and 13,887.38 is: 19,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.39 : 26,946.10 = 13,887.38 : x
  2. Step 2: Convert to fraction form
    19,552.39/26,946.10 = 13,887.38/x
  3. Step 3: Cross multiply
    19,552.39x = 26,946.10 × 13,887.38
  4. Step 4: Simplify right side
    19,552.39x = 374,210,730.22
  5. Step 5: Solve for x
    x = 374,210,730.22/19,552.39
  6. Step 6: Final answer
    x = 19,138.87

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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.