Home / 19,001.40-28,493.52-11,111.52

Finding the Fourth Proportional to 19,001.40, 28,493.52 and 11,111.52

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Solution

The fourth proportional to 19,001.40, 28,493.52 and 11,111.52 is: 16,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.40 : 28,493.52 = 11,111.52 : x
  2. Step 2: Convert to fraction form
    19,001.40/28,493.52 = 11,111.52/x
  3. Step 3: Cross multiply
    19,001.40x = 28,493.52 × 11,111.52
  4. Step 4: Simplify right side
    19,001.40x = 316,606,317.35
  5. Step 5: Solve for x
    x = 316,606,317.35/19,001.40
  6. Step 6: Final answer
    x = 16,662.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.