Home / 15,545.62-21,448.26-14,048.74

Finding the Fourth Proportional to 15,545.62, 21,448.26 and 14,048.74

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Solution

The fourth proportional to 15,545.62, 21,448.26 and 14,048.74 is: 19,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.62 : 21,448.26 = 14,048.74 : x
  2. Step 2: Convert to fraction form
    15,545.62/21,448.26 = 14,048.74/x
  3. Step 3: Cross multiply
    15,545.62x = 21,448.26 × 14,048.74
  4. Step 4: Simplify right side
    15,545.62x = 301,321,028.19
  5. Step 5: Solve for x
    x = 301,321,028.19/15,545.62
  6. Step 6: Final answer
    x = 19,383.02

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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.