Home / 19,359.51-26,714.89-11,400.19

Finding the Fourth Proportional to 19,359.51, 26,714.89 and 11,400.19

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Solution

The fourth proportional to 19,359.51, 26,714.89 and 11,400.19 is: 15,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.51 : 26,714.89 = 11,400.19 : x
  2. Step 2: Convert to fraction form
    19,359.51/26,714.89 = 11,400.19/x
  3. Step 3: Cross multiply
    19,359.51x = 26,714.89 × 11,400.19
  4. Step 4: Simplify right side
    19,359.51x = 304,554,887.50
  5. Step 5: Solve for x
    x = 304,554,887.50/19,359.51
  6. Step 6: Final answer
    x = 15,731.54

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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.