Home / 19,953.48-27,535.98-11,001.31

Finding the Fourth Proportional to 19,953.48, 27,535.98 and 11,001.31

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Solution

The fourth proportional to 19,953.48, 27,535.98 and 11,001.31 is: 15,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.48 : 27,535.98 = 11,001.31 : x
  2. Step 2: Convert to fraction form
    19,953.48/27,535.98 = 11,001.31/x
  3. Step 3: Cross multiply
    19,953.48x = 27,535.98 × 11,001.31
  4. Step 4: Simplify right side
    19,953.48x = 302,931,852.13
  5. Step 5: Solve for x
    x = 302,931,852.13/19,953.48
  6. Step 6: Final answer
    x = 15,181.91

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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.