Home / 19,356.39-26,708.59-11,400.19

Finding the Fourth Proportional to 19,356.39, 26,708.59 and 11,400.19

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Solution

The fourth proportional to 19,356.39, 26,708.59 and 11,400.19 is: 15,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.39 : 26,708.59 = 11,400.19 : x
  2. Step 2: Convert to fraction form
    19,356.39/26,708.59 = 11,400.19/x
  3. Step 3: Cross multiply
    19,356.39x = 26,708.59 × 11,400.19
  4. Step 4: Simplify right side
    19,356.39x = 304,483,034.22
  5. Step 5: Solve for x
    x = 304,483,034.22/19,356.39
  6. Step 6: Final answer
    x = 15,730.36

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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.