Home / 19,488.48-29,233.44-18,477.60

Finding the Fourth Proportional to 19,488.48, 29,233.44 and 18,477.60

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Solution

The fourth proportional to 19,488.48, 29,233.44 and 18,477.60 is: 27,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.48 : 29,233.44 = 18,477.60 : x
  2. Step 2: Convert to fraction form
    19,488.48/29,233.44 = 18,477.60/x
  3. Step 3: Cross multiply
    19,488.48x = 29,233.44 × 18,477.60
  4. Step 4: Simplify right side
    19,488.48x = 540,163,810.94
  5. Step 5: Solve for x
    x = 540,163,810.94/19,488.48
  6. Step 6: Final answer
    x = 27,717.08

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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.