Home / 19,554.48-26,985.52-11,171.04

Finding the Fourth Proportional to 19,554.48, 26,985.52 and 11,171.04

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Solution

The fourth proportional to 19,554.48, 26,985.52 and 11,171.04 is: 15,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.48 : 26,985.52 = 11,171.04 : x
  2. Step 2: Convert to fraction form
    19,554.48/26,985.52 = 11,171.04/x
  3. Step 3: Cross multiply
    19,554.48x = 26,985.52 × 11,171.04
  4. Step 4: Simplify right side
    19,554.48x = 301,456,323.34
  5. Step 5: Solve for x
    x = 301,456,323.34/19,554.48
  6. Step 6: Final answer
    x = 15,416.23

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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.